If basaltic lava reaches the sea or a lake, it cools rapidly into pillow lava.
More about lava:
Mafic lava is also known as basaltic lava. Molten rock that is high in iron and magnesium content and low in silica is known as mafic lava. Because basalt is created when mafic lava cools on the surface of the earth, mafic lava is often referred to as "basaltic lava."
The melting of the mantle, which accounts for the majority of the earth's volume, is what produces the vast majority of basaltic lavas. Because basaltic melts are so common, they are the starting point for almost all volcanism.
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Which library of alexandria librarian was responsible for the early development of the longitude and latitude system?
Eratosthenes library of Alexandria was responsible for the early development of the longitude and latitude system.
About Eratosthenes:-
Eratosthenes of Cyrene was a Greek mathematician, geographer, poet, astrophysicist, and music philosopher. He was a person of learning, flattering the chief librarian at the Library of Alexandria.
A Greek mathematician, poet, geographer and astronomer was the first person to use the word "geography" and originated the discipline of geography as we appreciate it.
He also originated the system of longitude and latitude and was the first person to calculate the circumference of the Earth with incredible reliability. He was the first or earliest one who proved that Earth was round.
Eratosthenes set on the earth's circumference to be 40,250 to 45,900 kilometers (25,000 to 28,500 miles) by comparing the Sun's parallel setting at two different locations on the earth's surface.
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he diagram shows an ocean food web.
Which organism is a primary consumer?
krill
elephant seal
squid
penguin
Answer:
Krill
Explanation:
While I don't have a diagram based on my knowledge krill are omnivorous.
What is geographyPLSS HELP ME I NEED IT ASAP
Answer:
geography is a all around the world subject and new names and places
Explanation:
hope it helps :)
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Where can magma form?
Answer:
.
Explanation:
Magma originates in the lower part of the Earth's crust and in the upper portion of the mantle. Most of the mantle and crust are solid, so the presence of magma is crucial to understanding the geology and morphology of the mantle.
Please help due tonight
Answer:d
Explanation:
question what is the beginning of a river called? mouth mouth source source tributary tributary estuary
The beginning of a river is called a source.
Rivers provide water for irrigation, domestic supply, strength era, and enterprise as well as a number of other surroundings services and intrinsic and biodiversity values. managing rivers to provide more than one blessing is consequently foundational to water protection and other policy priorities.
Rivers aren't best the source of water for human intake however in addition they maintain agriculture and gain us in different ways. once the water in rivers gets polluted, there are several harmful implications for us human beings. therefore, we ought to constantly try to maintain our rivers smooth and unfastened from pollution.
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As a giant cloud of gas collapses due to gravity, you would expect its rate of rotation to.
As a massive cloud of gas falls due to gravity, its rate of rotation should increase (due to the law of conservation of angular momentum).
The correct option is A.
What factors contribute to gravitational collapse?The contraction of the astronomical object due to the impact of its gravity, which tends to drive matter toward the center of gravity, is known as gravitational collapse.
What does momentum conservation have to say about just a collapsing gas cloud?The same logic that causes a skater's arms to spin faster as they draw their arms closer to their body causes this same collapsing cloud simply spin faster as it shrinks.
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As a giant cloud of gas collapses due to gravity, you would expect its rate of rotation to:
A. increase
B. decrease
C. stay unchanged
in which ways does the movement of the solar equator affect precipitation in the tropics and subtropics
The intertropical convergence zone corresponds to the solar equator, where the intensity of the Sun's energy causes evaporation and air movement that boosts precipitation.
The area where the northeast and southeast trade winds converge is known as the Intertropical Convergence Zone sometimes referred to as the doldrums or the calms by sailors due to its repetitively windless conditions. It rounds the planet close to the thermal equator, however the exact location changes with the seasons. It is known as the near-equatorial trough when it is located close to the geographic Equator. It is occasionally referred to as a monsoon trough as the Intertropical Convergence Zone is dragged into and merges with a monsoonal circulation; this terminology is more prevalent in Australia and some regions of Asia.
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rank the following earth materials in order of their most likely occurrence, starting at earth's surface. think about moving from the crust to the mantle, and then to the outer and inner cores.
The following geological materials, are listed in order of most promise, beginning at the earth's surface.
1. Granite and basalt.
2. Increasing amounts of olivine and pyroxene.
3. Minerals that are only stable at extreme pressures; Fe-Mg silica and oxides.
4. Molten iron with nickel and some other elements.
5. Crystalline iron and iron-nickel alloy.
What is the crust?The crust is the topmost solid shell of the planetary body, brown dwarf, or natural satellite. It is normally recognized from the earth's mantle by its chemical composition; nevertheless, in the case of icy satellites, it may be differentiated by its phase.
Earthly mantle:A mantle is a layer within a planet that is bordered below by a nucleus and above by a crust. Mantles are composed of rock or ice and are the thickest and most substantial layer of a planetary body.
What is Earth's inner core?Earth's inner core is the planet's deepest geologic layer. It is a solid ball with a radius of around 1,220 km, which is around 20% of Humankind's radius or 70% of the Moon's diameter.
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In the geologic past, the continents on either side of the Atlantic Ocean were connected as part of a single landmass called Laurasia. The break up of Laurasia led to the formation of North America and the Eurasia.
The Mid-Atlantic Ridge is a divergent tectonic plate boundary. Two plates are moving _______ each other along this boundary. The result of this motion is that North America is moving _______ Europe.
A. away from; toward
B. toward; toward
C. away from; away from
D. toward;away from
(Study Island question)
Answer:
c
Explanation:
Since part of same landmass drifted away it means the plates are moving away from each other and results in continents moving away
you have carried out radiometric analysis on four igneous rocks uncovered at several sites you are exploring. from the percent lead you determine in each case, what is the approximate age of the rock?
lead is extracted from uranium to create lead ore. A system might go through a geological process that removes lead, leaving the resultant system devoid of uranium.
Rocks are frequently dated using lead isotopes, which offer some of the best proof of the Earth's age. The activities producing lead isotopes must satisfy all four requirements of a natural clock—an irreversible process, a uniform rate, a starting condition, and a final condition—in order to be utilised as a natural clock to determine the age of the world. This approach ultimately influenced the creation of isochrons, which plot two isotopes against one another to determine the age of the mineral or rock.
Scientists can establish how long the parent isotope has existed by comparing the relative levels of the two isotopes and understanding the rate of decay.
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What is the first sentance in constitution?
Answer:
which countries constitution?
The earthquake's magnitude and intensity both tell you how severe an earthquake may be. How are they different?
a)The intensity of an earthquake tells you how much damage has been caused, while the magnitude tells you how much energy has been released from the earthquake.
b)The magnitude tells you how much damage has been caused by the earthquake, while the intensity tells you how much energy was released by the earthquake.
The earthquake's magnitude and intensity both tell you how severe an earthquake may be. They are different because "The intensity of an earthquake tells you how much damage has been caused, while the magnitude tells you how much energy has been released from the earthquake".
What is an Earthquake ?A abrupt release of energy in the Earth's lithosphere that results in seismic waves causes an earthquake, which is the shaking of the planet's surface. Earthquakes can range in strength from those that are so small that no one can feel them to those that are so powerful that they upend entire cities and send people and objects flying.
Hence, "The intensity of an earthquake tells you how much damage has been caused, while the magnitude tells you how much energy has been released from the earthquake", so option A is the correct answer.
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The area of a rectangle is 424242 square millimeters. The length is 777 millimeters.
What is the perimeter of the rectangle?
The area of a rectangle is 424242 square millimeters. The length is 777 millimeters. The perimeter of the rectangle is 2646 millimeters.
In Euclidean plane geometry, a rectangle is a quadrilateral with four right angles. Equiangular means that each of its angles is identical, so it can also be defined as an equiangular rectangle. Or a parallelogram containing a right angle. A rectangle with four equal sides is a square.
Area of rectangle = Length × Breadth
Perimeter of rectangle = 2 (length + breadth)
A rectangle is a quadrilateral with all equal angles, i.e. real angles. Rectangles have equal angles as well as equal sides. So a square is a special case of a rectangle. In other words, rectangles are sometimes squares (but all sides are the same). So we can say that a square is a special kind of rectangle. All sides have the same period. Therefore, all squares are rectangles because they are quadrilaterals with all four corners and right angles. Therefore, not all rectangles are squares. To be square, the sides must be the same length.
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geologists determine absolute age by comparing the amounts of radioactive and nonradioactive elements in
Geologists determine absolute age by comparing the amounts of radioactive and nonradioactive elements in Igneous Rock.
Igneous rocks from the Latin word for fire form when hot, molten rock crystallizes and solidifies. The melt originates deep within the Earth near active plate boundaries or hot spots, then rises toward the surface.
Igneous rocks are defined as types of rocks that are formed when molten rock liquefied by intense heat and pressure cools to a solid state. Lava is molten rock flowing out of fissures or vents at volcanic centers when cooled, they form rocks such as basalt, rhyolite, or obsidian.
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Why is there a need for our water supply to be managed and distributed?
There is a need for our water supply to be managed and distributed because it delivers water from the treatment facility to the consumer. Additionally, distribution systems might offer storage in addition to adequate flow and pressure for fire protection.
A water supply system provides services essential to the operation of industrialized society as well as essential for emergency preparedness and post-disaster recovery. It transports water from sources to customers (e.g., earthquakes). A water distribution system is a component of the water supply network that transports potable water from a centralized treatment facility or wells to consumers to meet their needs for household use, business use, industrial use, and firefighting. The majority of the water in urban and suburban areas is piped in from a central water supply. A river, a lake that formed naturally, a reservoir created by a dam, or a number of deep wells could serve as the water source. Aqueducts are used to transport water from distant reservoirs to numerous large cities.
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What are the two independent methods used in dating events in earth's history? select all that apply.
Radioactive Decay and Relative Dating are the two independent methods used in dating events in earth's history.
What is the process of Radioactive Decay ?1) The spontaneous breakdown of an atom's unstable nucleus is known as radioactive decay.
2) The particle or photon emission.
One such instance of radioactive decay is alpha decay, in which an atomic nucleus generates an alpha particle (helium nucleus).
3) Typically, a more stable element with a smaller atomic number is the end outcome.
For instance, in alpha decay, an atom changes into an atom with a lowered atomic number of two and a reduced mass number of four. For instance, nuclear fission is a type of radioactive decay in which a significant quantity of energy is produced as an atom's nucleus breaks into smaller pieces.
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Find the next number in 17,13,9,5 sequence
Answer:
1
Explanation:
subtract four
17 - 4 is 13 - 4 is 9 - 4 is 5 - 4 is 1
Calculate how many days of solar insolation at 250 watts/m2 would be required to melt the arctic ocean surface ice coverage from 14 x106 km2 down to 4 x106 km2.
28.24 days of solar insolation would be required to melt down the artic ocean surface.
Intensity of solar radiation = 250 watt/m²
= 250 Js⁻¹/m²
Thickness of ice coverage = 2m
Ice coverage to be melt = 14 million km² - 4 million km²
= 10 million km²
= 10 × 10,00,000 km²
= 10⁷ km²
= 10⁷ × 10⁶m
= 10¹³m
Heat reaches to surface per second = 250 Js⁻¹/m² × 10¹³m
= 2.5 × 10¹⁵ J/s
Now,
Total volume of ice = 10¹³ m² × 2m
= 2 × 10¹³ m³
Latent heat of ice = 3.33 × 10⁵J/Kg
Density of ice = 917 kg/m³
Total mass of ice = 917 × 2 × 10¹³
= 1834 × 10¹³kg
∴Heat required to melt whole ice coverage = Mass × Latent Heat
= 1834 × 10¹³kg × 3.33 × 10⁵J/Kg
= 6.11 × 10²¹ J
Total time taken to melt whole ice = 6.11 × 10²¹ J / 2.5 × 10¹⁵ J/s
= 2.44 × 10⁶s
Since, 1 Day = 86400s
∴ 2.44 × 10⁶s = 2440000/86400 Days
=28.24 Days
Thus, 28.24 days of solar insolation would be required to melt down the artic ocean surface.
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based on what happened with tobacco and, more recently climate change, which of the following is key to scientific consensus?
Answer:
time
Explanation:
The celestial equator divides the celestial sphere in two hemishperes. true false
The celestial equator divides the celestial sphere in two hemispheres. This statement is true.
The celestial equator divides the celestial sphere among northern and southern hemispheres.
The celestial equator is the great circle of the fictitious celestial sphere on the same level as the equator of Earth. This level of instance of bases the equatorial coordinate system.
In other words, the celestial equator is an extract projection of the terrestrial equator toward outer space.
The projection into space of the earth's equator; an fictitious circle equidistant through the celestial poles.
A great circle separating the northern and southern hemispheres of the celestial sphere and stays in the same level as the Earth's equator.
The celestial equator is a projection of the Earth's equator apparent onto the celestial sphere and is generally used as the reference point in regulating a celestial body's turndown.
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REGIONS (regiones)
What are regions and how are they useful?
In the diagram, m ∠ACB=55
Find m ∠ACE
Given the information presented, ∠ACE = 125° This is computed using Angles on a Straight line and the principle of alternate angles. See explanation relating to same below.
What is the analysis and calculation justifying the above?Note that
ACF = 90°
ACB = 55°
ACF = ACD [Right Angle on a Straight line]
FCE = BCD [Alternate Angles]
ACE = ACF + FCE
Since ACB = 55°;
then
BCD = ACD - ACB [Angles on a Straight Line]
BCD = 90 - 55 [Recall ACF = ACD]
∠BCD = 35°
Since BCD = FCE
Then ACE = 90° + 35°
∠ ACE = 125°
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In which biome do plants have waxy leaves to prevent water loss and spines/thorns to discour
animals from eating them?.
A. temperate forest
B. rainforest
C. hot desert
D. savanna
Answer: C
Explanation: They are subjected to high temperatures and scarcity of water. To prevent the loss of water through transpiration or evaporation desert plants have leaves modified into spines and the epidermis is covered with a thick waxy coating.
The cost to produce burgers decreased with invention of new grills. Which factor causes shift?
other goods
technology
Resource price
sllers in the market
The cost to produce burgers decreased with invention of new grills. Resource price factor causes shift.
The resource demand is the term that is used to refer to the process that deals with the measurement of the numbers of available resources that can take care of the demand for various work processes.
The factors that have the ability to shift the resource demand curve are:
Resource productivityPrices of other resourcesProduct demandDeterminants of demands are income, consumer preferences, number of buyers, price related of goods and expectation of future. A change in quantity demanded is caused by a change in its own price of the good. A change in demand is caused by a changed in determinants.
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The cost to produce burgers decreased with invention of new grills. The Resource price factor causes the shift.
The correct option is c.
When constructing a supply curve, the prices of the resource inputs that influence manufacturing costs and a good's capacity to sell are considered to be constant.
The process of measuring the quantity of resources that are readily accessible and able to meet the demand for various job activities is referred to as resource demand.
Price shift in direct proportion to demand, and vice versa. Only businesses that are prepared to pay the price will be able to obtain the resources when demand is strong, and they will only be able to do so by creating successful goods or services that customers are willing to pay more for.
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12) Name four countries with more than one million inhabitants that are not a member of he United Nations.
Answer:
TaiwanAkrotiriAbkhaziaAlandExplanation:
A globe is what type of model of the earth? a) analog model b) physical model c) quantitative model d) symbolic model
Answer: Physical Model
Explanation:
The temperature stability of earth’s atmosphere is mostly due to _______. a. the seasonal changes in day length b. the rotation of earth about its axis c. plant respiration d. water in the oceans acting as a thermoregulator please select the best answer from the choices provided a b c d
The correct answer to the question is option D. water in the oceans acts as a thermoregulator that stabilizes the earth's atmosphere's temperature.
The atmosphere is described as the location of air and fuel enveloping objects in space, like stars and planets, or the air around any location. Earth's environment is composed of about 78 percent nitrogen, 21 percent oxygen, 0.9 percent argon, and 0.1 percent other gases. trace amounts of carbon dioxide, methane, water vapor, and neon are a number of the other gases that make up the last 0.1 percent.
The environment includes the air that we breathe; protects us from the dangerous radiation of the solar; helps to preserve the planet's warmth on the floor, and plays a very vital role in the water cycle. There are four major layers of the atmosphere. From lowest to highest, the major layers are the troposphere, stratosphere, mesosphere, thermosphere, and exosphere.
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The correct option is (d). The temperature stability of earth's atmosphere is mostly due to water in the ocean act as thermoregulation.
The ability of an organism to maintain its body temperature within predetermined limits despite drastically different environmental temperatures is known as thermoregulation.
The prefix "thermo-" determines and contributes to words with meanings related to heat, warmth, hotness, temperature, or thermal energy. The phrase is primarily used in technical and scientific language. Additionally, it can be used to create compound words that can begin in the middle, at the beginning, or at the end of a word.
A tiny part of your brain called the hypothalamus regulates your body's temperature. Your nervous system, muscles, organs, and glands receive signals from your hypothalamus if it determines that your body's temperature is abnormally high or low. These signals aid in regulating your body temperature.
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does total runoff occur over a longer or shorter time span after an area has been urbanized? runoff occurs over a time after urbanization
Runoff occurs over a shorter time after urbanization.
Under natural conditions, runoff velocities are lower than in built-up areas and runoff occurs over a longer period of time. Also, the pre-development peak runoff rate is much lower than the post-development peak runoff rate due to attenuation and absorption by soil and vegetation.
Impermeable surfaces with urbanization reduce infiltration, increase surface runoff, and alter the pathways by which water reaches urban streams. Temperature, wind speed and humidity are the main meteorological factors affecting runoff. They affect the rate of evaporation and transpiration, thus affecting soil moisture content and infiltration rates, and ultimately runoff.
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1. Cross a homozygous tall plant (TT) with a homozygous
short plant (tt).
+
TTT+T
+ T+++
50
What percentage of offspring will be tall?
What percentage of offspring will be short?
The percentage of offspring will be tall a 75% possibility for the offspring to be tall. 25% purebred tall and 50% hybrid.
In mathematics, a percentage is a number or ratio expressed as a fraction of 100. It is often indicated by the percent sign '%', but the abbreviations 'pct.', 'pct', and 'pc' are also sometimes used. Percentages are dimensionless numbers. It has no units of measure.
In mathematics, a percentage is a number or ratio that is a fraction of 100. It is often represented by the symbol '%' or simply 'percent' or 'percent'. For example, 35% is equivalent to 0.35, or fractions as decimals. A percentage can be defined as a dimensionless ratio of two numbers. It can be used to compare two numbers to see how much one is greater than the other or to compare two numbers using a common scale.
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