17,190 years or three half-lives is the age of a fossil if it had only one-eighth of its original carbon- 14 content remaining.
One half life = 5,730
1/8 of the original means THREE half lives
5,730 x 3 = 17,190
Fossils are the preserved stays, or traces of remains, of ancient organisms. Fossils aren't the remains of the organism itself! they are rocks. A fossil can keep an entire organism or genuinely part of one. Bones, shells, feathers, and leaves can all grow to be fossils.
There are four important sorts of fossils, all shaped by special processes, which might be conducive to retaining unique types of organisms. the ones are mold fossils, forged fossils, hint fossils, and true shape fossils.
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Early western ranchers protected their cattle by restricting them to fenced-in areas. True or false
Early western ranchers protected their cattle by restricting them to fenced-in areas is False.
Ranchers are typically found in areas where cattle are fed, dehorned, branded, traded, roped, and treated. The Secretary of Agriculture confounds them, city people arrive and don't understand them, meals are served for them, other ranchers compete with them, barbed wire cuts them, television praises them, but nothing discourages them. Bankers hate to see them coming. Little boys admire them.
They enjoy dogfights, rank horses, neighbors, forty dollar boots, Saturdays in town, dog shows, rodeos, auctions, doggies, and hounds. Poodles, males, government employees, mending fences, screwworms, chilly temperatures, lightning, dairy cows, lambs, bush, or poor coffee are things that ranchers don't particularly enjoy for.
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which of the following techniques is least likely to improve your ability to detect a trend in a climate data set?
Focusing on local data is the technique is least likely to improve your ability to detect a trend in a climate data set.
Long-term changes in temperature and weather patterns are referred to as climate change. These changes may be organic, but since the 1800s, human activity has been the primary cause of climate change. This is primarily because burning fossil fuels, such as coal, oil, and gas, releases gases that trap heat. Climate analysis entails creating modeling capabilities to predict future climate changes as well as creating climate projections for both study and long-term planning. Understanding the functioning of the climate system or a specific component thereof is the goal of climate analysis. The results of ongoing analyses offer recommendations that guide the way to a more thorough understanding and advanced climate research.
Through broad data analysis, the climate is better understood.
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Find the lengths of the line segments given: of GJ
Answer:
you can do it and we will be
you are standing on one side of a strike-slip fault, looking at a car on the other side of the fault. an earthquake then occurs along the strike-slip fault. you are notice that the car has moved to the right as you are looking at it. what is the name for this type of motion along a strike-slip fault?
Right-lateral movement is the name for this type of motion along a strike-slip fault.
It is the type of strike-slip fault that when standing on a fault and looking along its length, the blocks on the right move toward you and the blocks on the left recede. The main slip feeling of strike-slip fault is horizontal.
However, the movement can be right-lateral (soil on the other side of the fault moves right relative to other blocks) or left-handed (soil on the other side moves left). The main feature suggesting that lateral transport is important is the large strike-slip fault almost perpendicular to the intercontinental convergence direction.
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explain factors influencing formation of springs
southern westerly winds submit to the enso regime: a multiproxy paleohydrology record from lake dobson, tasmania
Near its western shore, Tasmania is home to mountain ranges that run north to south. Due of this, places west of the Alps show a positive association between SWW flow and precipitation, whereas eastern regions either show no link or a negative one.
Why the Dobson lake is focus point?Here, we provide data from charcoal, geochemical proxies, and chironomid remnants to examine the paleohydrological history of Lake Dobson, a site found in Tasmania's Mount Field National Park. The proxies identified three major time periods: (1) an early Holocene (11.5-8.3 cal kyr BP) characterized by generally high rainfall, the occurrence of irregular fires, and elevated charcoal influx at 11.4 and 10.2 cal kyr BP – conditions compatible with attenuated SWW flow over the site; (2) an ambiguous mid-Holocene (8.3-5 cal kyr BP) that marks the transition from a SWW- to EN The teleconnections between southern Australasia and the equatorial Pacific are highlighted by the proxy record of Lake Dobson.
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what are the jet streams during the retreating monsoon season in india
Answer:
Jet streams impact the Indian monsoon season. If the jet stream withdraws late, then monsoon is also delayed. Thus, the timing of the withdrawal of the jet stream affects the onset of monsoon in the Indian subcontinent.
Explanation:
Which of the following statements would explain why some countries had extremely high death counts related to the highly contagious H1N1 influenza while others experienced few to no deaths?
Countries with low levels of international migrants were the most affected.
Countries with high levels of international migrants were the most affected.
Countries that are land-locked were the most affected.
Countries that experience high levels of international trade were the least affected.
Countries with the highest populations were the least affected.
The explanation that can best be used to describe the reason why some nations had the extremely high death counts related to the highly contagious H1N1 influenza while others experienced few to no deaths is because Countries with high levels of international migrants were the most affected.
How does traveling cause disease to spread?As people are migrating from one area to other areas, there is the possibility that they may be spreading the diseases that are prevalent in the nations that they were to the places they are going to. Especially if it is a pandemic in that nation.
Hence we can say that the reason why some nations had the extremely high death counts related to the highly contagious H1N1 influenza while others experienced few to no deaths is because Countries with high levels of international migrants were the most affected.
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at the beach, differences in temperatures create wind which transfers heat between the land and the water. the same process is also seen in the ocean as the gulf stream carries heat from the tropics northward. select the method of heat transfer that explains the movement of air and water currents.
Answer:
c
Explanation:
when a fluid is heated then hot material that is less dense will rise at the top
3. If there were less seafloor spreading occurring at mid-ocean ridges than subduction at ocean trenches, what would happen to the seafloor in the ocean? a. Nothing would happen. The ocean's seafloor would stay the same. b. The ocean's seafloor would sink into the mantle below. c. The ocean's seafloor would get smaller, losing more crust than is created. d. The ocean's seafloor would grow, creating more crust than is destroyed.
Answer:
C
Explanation:
If there were less seafloor spreading at the ocean the ocean's seafloor would keep getting smaller.
An important consequence of pangaea's breakup was the creation of which new ocean basin?
An important consequence of the breakup of Pangaea was the creation of a "new" ocean basin: the Atlantic. The splitting of the supercontinent did not occur simultaneously along the margins of the Atlantic. The first split developed between North America and Africa.
Wherein is Atlantic Ocean located?
The Atlantic Ocean lies among North and South America on the west and Europe and Africa on the east. Up north, the Atlantic connects to the Arctic Ocean and to the Southern Ocean to the south. Scientists often divide the Atlantic into two basins: the North Atlantic and the South Atlantic.
What is happening to The Atlantic?
The hassle is the Atlantic movement seems to be weakening, transporting less water and warmth. Due to weather trade, melting ice sheets are pouring fresh water into the ocean on the better latitudes, and the floor waters are preserving extra in their warmness.
How cold is the Atlantic ocean?
Within the North Atlantic the temperature decreases slowly toward the bottom from a fee of about forty one °F (5 °C) at more or less three,000 toes (900 meters) to approximately 36.5 °F (2.five °C) at the seafloor.
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for each of the following situations, decide whether it is an example of weather or climate. put "w" for weather or "c" for climate on the line next to each scenario.
Some examples of weather are:
wind, cloud, rain, snow, fog dust storms.Some examples of climate are:
Dry climatesTropical climatesPolar Climates. ...Mild Climates.What is a Weather?This refers to the atmospheric condition of a place at a particular time as regards heat, cloudiness, dryness, sunshine, wind, and rain.
Hence, we can see that Some examples of climate are:
Dry climatesTropical climatesPolar Climates. ...Mild Climates.Read more about climate here:
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governance, location and avoided deforestation from protected areas: greater restrictions can have lower impact, due to differences in location
Governance, location, and avoided deforestation from protected areas greater restrictions can have a lower impact, due to differences in location.
Governance encompasses the system by which an organization is controlled and operates and the mechanisms by which it, and its people, are held to account. Ethics, risk management, compliance, and administration are all elements of governance. Other useful definitions of governance are provided below.
Deforestation is the purposeful clearing of forested land. Throughout history and into modern times, forests have been razed to make space for agriculture and animal grazing and to obtain wood for fuel, manufacturing, and construction. Deforestation has greatly altered landscapes around the world.
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Describe the major features of the island as shown in your topographic map. For each feature, explain how
you know what it is from the map. Are there peaks? If so, how high are they? Are there valleys? If so, how
long are they and how deep are they compared to the surrounding sides? If present, how high are any cliffs
The topographic map shows an island with a valley in the middle and an oval perimeter.
What is a topographic map?A topographic map is a term to refer to a type of map that is characterized by showing the relief of the earth's surface, at a defined scale. Additionally, topographic maps are accompanied by contour lines, which allow reflecting the shape of the Earth's surface.
What characteristics does the topographic map have?The topographic map has two peaks, these can be distinguished because each parallel line that makes up the map represents a different height, therefore, it can be inferred that the two lines that form a figure similar to an oval are the peaks of two mountains. Additionally, with the help of the level curve we can establish that its height is a little more than 4cm.
Secondly, a valley is distinguished in the middle of the two mountains, this valley is 3cm high and about 1cm wide. Finally, it can be inferred that this map does not have cliffs because the relief curve is progressive, unlike the cliffs that are walls on the seashore.
Note: This question is incomplete because the image is missing. Here is the image.
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There is more land than water on Earth true or false
Answer:
False
Explanation:
The world is 71% water and 29% land.
What is the name given to the smaller objects that eventually were drawn together to form planets?
Answer:
planetesimals? i heard of something like that
What characteristic features in the geologic record are only present from a large impact?
The characteristic features in the geologic record are only present from a large impact are Ejecta blanket, Complex crater, Buried impact breccia, and Shocked quartz.
An impact crater's ejecta blanket is a typically symmetrical apron of ejecta that is heavily layered near the rim and thin to discontinuous at the blanket's outer border. However, the creation process does not end with excavation as meteorite craters get larger. The parabolic hole for such craters appears to be too enormous to maintain itself, and it collapses as a result, producing a variety of morphologies. The ultimate depression is referred to as a complex crater.
A sedimentary rock known as breccia is made up of large, angularly shattered pieces of minerals or rocks that are bound together by a fine-grained matrix. Shocked quartz is a kind of quartz with a unique microscopic structure from regular quartz. Quartz's crystalline structure deforms along internal planes at high pressure (but constrained temperature).
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The Sunbelt is an example of a
_________ region.
A. political
B. formal
C. functional
D. perceptual
Answer:
D
Explanation:
It's a perceptual region because it isn't labeled on a map or a functional region because it isn't defined by places nearby.
For how many countries is mining gas a significant resource? which resource is mined in the fewest countries? which resource is mined in the greatest number of countries?
Answer: six and coal.
Explanation:
the answer to the first question is six, and the answer to the second is coal.
Answer:
six coal gold
Explanation:
the process by which a body of hot magma intrudes into a region of cold rock near earth's surface is known as
Answer:
Contact metamorphism
Explanation:
Songbirds migrate to warmer climates during the winter to find food. which characteristic of life does this behavior best illustrate? o. response o heredity metabolism growth and development
Songbirds migrate to warmer climates during the winter to find food. Migratory characteristic of life does this behavior best illustrate? o. response o heredity metabolism growth and development.
Birds migrate mainly due to a change in food availability or weather. Also, seasonal variations affect the number of offspring. Northern summers have longer days which provides more time to feed their young ones. On return of cooler weather birds return back to the warmer regions.In both fall and spring, birds migrate to areas where they can most effectively get the resources they need. In fall, birds migrate because the insects, seeds and nuts, or nectar they feed on becomes scarce. They fly south to warmer areas where vegetation and insects aren't in winter decline.to know more about metabolism click here
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Why does the number of circumpolar constellations depend on the latitude of the observer?
They are influenced by latitude since the constellations that are visible below the horizon depend on where you are on Earth. Since Earth's orbit alters the Sun's apparent location among the stars, they are dependent on the season.
A circumpolar star is one that appears to be close to one of the celestial poles and, as seen from a particular latitude on Earth, never sets below the horizon. Therefore, on every night of the year, the full night is visible from that place toward the nearest pole by circumpolar stars. At the north pole of the Earth, you can see that Polaris is straight overhead, but the farther south you are, the lower Polaris looks in the sky. Polaris never rises in the southern hemisphere, which lies across the equator from where it borders the horizon at the equator. Instead, the southern celestial pole is now visible above the horizon.
As you move further south, the southern celestial pole will rise higher and higher in the sky until it reaches the south pole.
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How has the system of classifying organisms changed since Linnaeus’s work?
Levels have been taken away from the hierarchy.
Organisms have been identified simply as plants or animals.
More levels have been added to the hierarchy.
A hierarchy has been developed.
Carl Linnaeus classified organisms into more levels under the hierarchy. This hierarchy replaced traditional systems of classification based on dichotomies.
Who was Carl Linnaeus?
Carl Linnaeus was Swedish Botanist, Zoologist, Taxonomist and Physician who formalized Binomial Nomenclature. He is also known as the Father of Modern Taxonomy. He published his masterpiece called Systema Naturae which presented hierarchical classification of three kingdoms i.e. stones, plants and animals. Each kingdom was subdivided into classes, orders, genes, species and varieties. This hierarchy replaced traditional systems of biological classification based on mutually exclusive divisions, or dichotomies. Linnaeus classification ( from increasing order) - Genus-Family-Order-Class-Phylum-Kingdom
Linnaeus also introduced the concept of Binomial Nomenclature which is the formal classification and naming of organisms according to their genus and species. This naming system was also implicitly hierarchical, as each species is classified within a genus.
What is Taxonomical Hierarchy?
Taxonomical hierarchy is the process of arranging various organisms into successive level of biological classification in decreasing or increasing order from kingdom to species. Each level is called as rank in Hierarchy.
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A formal region defines an area in which
(A) a core dominates its surrounding hinterland
(B)
a transportation network links different types of land use
(C) there is uniformity in one or more physical or human characteristics
(D) there are significant geographic variations in physical or human characteristics
(E) a unified government system has been established
A formal region defines an area in which a unified government system has been established.
What is a formal region?This region refers to those an area that has officially recognized boundaries defining it. Because of this, the formal regions are often made up of the boundaries for cities, counties, states, and countries.
As these formal regions are often regarded as common knowledge and their boundaries set by local, then, it is formal region defines an area in which a unified government system has been established.
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a.Conflict
b.Drought
c.Industrialization
resulted in large populations leaving the country in order to live and work in the cities.
Answer:
option c
Explanation:
Which of the following is the equation of a line parallel to 3y = 6x + 5 that passes through (3, 4)?
The equation of a line parallel to 3y = 6x + 5 that passes through (3, 4) is 2x-y-2=0
Parallel lines has same slope
Here line is parallel to 3y = 6x + 5
Changing it to y = mx + c form
3y = 6x + 5
[tex]y=2x+5/3[/tex]
Slope of line is 2
We have equation line with slope m and passing through (x₁,y₁) as (y-y₁)=m(x-x₁)
Here (x₁,y₁) = (3, 4)
Substituting
[tex]3y=6x+5\\y=6/3x+5/3\\y=2x+5/3\\y-4=2(x-3)\\y-4=2x-6\\y-4+6=2x\\y+2=2x\\2x-y-2=0[/tex]
Equation of line is 2x-y-2=0.
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decline in results over time due to poor water infiltration through the top surface. when this occurs, wetting agents or soil remediation products are recommended
Decline in results over the years because of bad water infiltration through the top surface. while this happens, wetting dealers or soil remediation.
Infiltration lets in the soil to briefly keep water, making it to be had to be used with the aid of flowers and soil organisms. The infiltration price is the degree of ways fast water enters the soil, normally expressed in inches in line with hour.
Infiltration refers back to the manner in which precipitation or water infuses into subsurface soils, is absorbed by using the soil, and travels deeper through pore spaces and cracks into rocks. the bulk of water accrued from melted snow and rain finally ends up infiltrated.
Infiltration takes place while water soaks into the soil from the ground stage. It moves underground and moves between the soil and rocks. a number of the water may be soaked up by means of roots to help vegetation grow. The plant's leaves finally launch the water into the air through the plant's pours as waste.
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3. the austronesians sailed: a. with the winds; with the currents b. with the winds; against the currents c. against the winds; with the currents d. against the winds; against the currents
Option d against the winds; against the currents is correct. Before 2000 BCE, Austronesian peoples used sails. This made it possible for them to disperse across the islands of the Indo-Pacific, along with the employment of other nautical technology (particularly catamarans, outrigger boats, lashed-lug boat construction, and the crab claw sail).
Who is Austronesians?The Austronesian peoples, also known as Austronesian-speaking peoples, include a sizable population that may be found in Taiwan, Maritime Southeast Asia, Micronesia, coastal New Guinea, Island Melanesia, Polynesia, and Madagascar. Other indigenous ethnic minority that fall under this category are those in Vietnam, Cambodia, Myanmar, Thailand, Hainan, the Comoros, and the Torres Strait Islands. Austronesia is a term that refers to a group of countries and territories where the majority of the population speaks an Austronesian language.
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The method of determining latitude in the northern hemisphere by measuring the angle between an observer's line of site to the north star and line of site to the northern horizon was developed by?
The method of determining latitude in the northern hemisphere by measuring the angle between an observer's line of site to the north star and line of site to the northern horizon was developed by Pytheas.
Pytheas was a Greek astronomer, adventurer, philosopher and geographer. In or around 325 BC, he undertook an expedition journey to northwest Europe, but his description of it, which was well-known in Antiquity, hasn't really survived and is now only known via the writings of others. Strabo claims that Pytheas did gather latitudes, which he then translated into trigonometric tangents of angles of elevation to celestial bodies, or proportions of the gnomon. They were gauged using the gnomon, the right triangle's vertical leg, and its flat leg. The hypothetical hypotenuse indicated the edge of a shadow that the vertical leg cast on the horizontal leg or gazed along the line of sight to the celestial body.
On the longest day of the year, Pytheas measured the Sun's height in Massalia at noon and discovered that the tangent was a ratio of 120 (the length of the gnomon) to 1/5 less than 42. Pytheas asserted to have travelled extensively throughout Britain on foot and calculated its circumference to be 4,000 miles (6,400 km).
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It is solar noon at your unknown longitude, your clock reads 8am pst at 120 degrees west longitude, what is your longitude?
118 degrees 15' W is the Longitude when solar noon at your unknown longitude, your clock reads 8am past at 120 degrees west longitude.
Define Solar Noon .The Sun appears to touch the nearby celestial meridian at solar noon. At noon apparent solar time, the Sun appears to be at its highest position in the sky. This can be seen by using a sundial.
What distinguishes solar noon from regular noon?There is the midday hour, a continuous event that we monitor with our timepieces. Solar noon is another term for the time of day when the sun is directly overhead. Clock and solar noon would be identical if the Earth's orbit were a perfect circle and its axis weren't inclined.
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