To separate a mixture of alcohol (ethanol) and water, you can use a process known as fractional distillation. This technique relies on the fact that the compounds in the mixture have different boiling points. Since ethanol boils at a lower temperature of 78.
Examples of homogeneous mixtures consist of air, saline solution, maximum alloys, and bitumen. Examples of heterogeneous mixtures consist of sand, oil and water, and fowl noodle soup.
A heterogeneous mixture is a combination of or extra compounds. Examples are combos of sand and water or sand and iron filings, a conglomerate rock, water and oil, a salad, a path blend, and urban (no longer cement).
A heterogeneous mixture is a mixture wherein the composition isn't uniform throughout the combination. Vegetable soup is a heterogeneous aggregate. Any given spoonful of soup will incorporate various quantities of the different vegetables and other components of the soup.
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Which of the following is a state that DOES NOT border Canada? a. Pennsylvania b. Connecticut C Minnesota d. Alaska
Answer:
Connecticut
Explanation:
Connecticut is the only state out of those options that is not on the Canadian border.
Connecticut is a state that does not border Canada. Hence, option B is correct.
What is meant by Connecticut?The state of Connecticut is well renowned for its stunning fall foliage, cultural legacy, manufacturing sector, Yale University, and for being the home of ESPN, a well-known American cable sports channel.
The Mohegan-Pequot term for Connecticut, which can be rendered as "long tidal river" and "upon the long river" and both of which pertain to the Connecticut River, is the source of the name.
People from the American state of Connecticut are known by the moniker "nutmegger." The Connecticut state assembly voted in 1958 to make "The Constitution State" the official moniker for the state; yet, "The Nutmeg State" is the state's unofficial moniker, hence the nickname "Nutmegger."
Thus, option B is correct.
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On the cosmic calendar, which compresses the history of the universe into a single year, about when did earth form?.
On the cosmic calendar, which compresses the history of the universe into a single year, the Earth formed in early September.
The cosmic calendar concept was popularized by the famous astronomer Carl Sagan to help people understand how far apart cosmic events are on the time scale. It's a compressed year of history, with each month representing approximately 1.2 billion years.
The solar system is therefore 4.5 billion years old and born in early September. This helps put cosmology, evolution, and written history into context. On this scale, the Big Bang occurred on his January 1st at midnight, and the current time maps to his December 31st at midnight.
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Which type of plate boundary is most closely associated with uplifting continental regions and mountain building?
Which is an example of an epidemic?
whooping cough
obesity
Black Death
Spanish flu
Answer:
a. whooping cough
Explanation:
took the quiz already
Answer:
Spanish flu???
Explanation:
World Geography topic 1 assessment
The study of geographic phenomena involves both natural and man-made structures in relation to a geographical dimension.
The study of our planet's interior, surface, oceans, atmosphere, and lands is known as physical geography. The mechanisms that affect people and form the lands are discussed in several of the book's chapters. The mechanisms of the atmosphere and how it interacts with the surface of the planet and every living thing are covered in other chapters. Humans have had to live within Earth's confines for as long as there have been people on the planet. The world is now being significantly impacted by human life. The impact humans have on the environment is the subject of several chapters.
A social science known as human geography focuses on people, where they live, their lifestyles, and how they interact with one another throughout the globe.
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Answer:
Explanation:
4. Uttar Pradesh is India's fastest growing state. What is its fertility rate?
Leeches are soft, squishy animals with long, tube-like bodies that are made of many repeating segments. They contain a heart that pumps blood through their bodies and survive by attaching to other organisms and sucking their blood.
What animal phylum do leeches belong in?
arthropods
echinoderms
chordates
annelids
what's the distance between (1,-1) and (4,-4)
Answer:3,-3
Explanation:I think this is right
Which two elements combine to make most of the common rock forming minerals in the crust? carbon and nitrogen silicon and oxygen silicon and nitrogen carbon and oxygen nitrogen and oxygen
Oxygen and Silicon are the two elements combined to make most of the common rock-forming minerals in the crust.
A rock is a naturally occurring product made up of crystalline crystals of various minerals that have fused together to form a solid mass. The minerals might or might not have formed simultaneously. What matters is that they were all joined by natural processes. Feldspar, quartz, amphiboles, mica, olivine, garnet, calcite, and pyroxenes are some of the minerals that create rocks. "Accessory minerals" are minerals that are found in trace amounts within a rock. In the crust of the Earth, silicon (27.7%) and oxygen (46.6%) are the two most prevalent elements. The most prevalent minerals on Earth are silicates, which are minerals that mix these two elements.
Thus, these two elements will be widely distributed throughout the most prevalent minerals in the crust.
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what is the atmospheric layer responsible for long-distance radio communication? question 3 options: stratosphere troposphere thermosphere exosphere
Thermosphere layer is responsible for long-distance radio communication.
Above the mesosphere is the ionosphere (or thermosphere), where many atoms are ionized. Although very thin, the ionosphere is where the northern lights originate, absorbing the most energetic photons from the sun and reflecting radio waves, enabling long-range wireless communication.
The structure of the ionosphere is strongly influenced by the charged particle wind of the Sun's solar wind, which is determined by the level of solar activity. A measure of the structure of the ionosphere is the free electron density, an indicator of the degree of ionization.
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The typical trend in a rising plume of subduction-zone magma is to increase the ____________.
The typical trend in a rising plume of subduction-zone magma is to increase the the percentage of SiO2, the viscosity, the explosive potential of the magma by holding in the gases more tightly.
The types of magma produced in different volcanic environments vary greatly. In subduction zones, where magma rises through considerable crustal thickness, interactions between magma and crustal rocks increase the felsic character of magma.
Partial melting of terrestrial rocks and terrestrial xenoliths increases the overall felsic character of the magma. First, the rocks tend to be more felsic than magma, and secondly, the more felsic components of the rocks tend to melt preferentially.
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Official temperatures are measured using thermometers placed in shelters that are?
Official temperatures are measured using thermometer placed in shelters that are louvered and white; placed a few feet above the ground; and placed in the shade
Devices that measure temperature or a temperature gradient are known as thermometers (the degree of hotness or coldness of an object). Two crucial components make up a thermometer: (1) a temperature sensor that changes in response to changes in temperature, such as the bulb of a mercury-in-glass thermometer or the pyrometric sensor in an infrared thermometer; and (2) a way to translate this change into a numerical value (e.g. the visible scale that is marked on a mercury-in-glass thermometer or the digital readout on an infrared model). In technology and industry, as well as in meteorology, health, and scientific study, thermometers are frequently used to monitor processes.
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GIS enables users to combine map and image layers. If a biologist were interested in the relationship between the slope of the land and the type of vegetation, which layer would be most helpful in addition to the aerial image layer?
A. geologic map layer
B. satellite image layer
C. topographic map layer
D. water features layer
GIS enables users to combine map and image layers in the Topographic Map Layer. (OPTION C)
It uses data that is attached to a unique location.
Topographic maps: Topographic maps are precise, in-depth depictions of terrain features found on the surface of the Earth. These elements include cultural ones like highways, structures, cities, railroads, airports, place names, geographical features, administrative borders, state, and international borders, and reserves.
Geographic Information System (GIS): A computer system that analyzes and presents spatially related data is known as a Geographic Information System (GIS).
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based on what happened with tobacco and, more recently climate change, which of the following is key to scientific consensus?
Based on what happened with tobacco and, more recently climate change, which of the following is key to scientific consensus is time.
The Scientific Consensus represents the position generally agreed upon at a given time by most scientists specialized in a given field. The most common definition for consensus was percent agreement (25 studies), with 75% being the median threshold to define consensus.
A scientific consensus is not an opinion, survey, popularity contest, etc. among scientists. It is entirely dictated by the quality and quantity of evidence published in peer-reviewed journals. Further, the consensus is not absolute.
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the continents and the ocean floor are both part of earths
Answer:
Crust
Explanation:
The crust is the outermost layer of the planet which contains the ocean and continents.
inversions usually start over land at night, in the winter, or near the coast. question 9 options: true false
Answer: True; Inversions form because air in contact with the cooling ground cools through conduction. So naturally, they'll occur when it's cooler.
how can energy supply issues lead to conflict
When energy is in short delivery it fees extra to buy. This makes production greater steeply-priced. international locations that experience electricity insecurity commonly have a lower industrial output. warfare power insecurity can purpose warfare while international locations compete to achieve power elements.
Growth of clean power technology might also boom the risk of a minimum of three styles of battle outbreaks of violence in states with weak institutions, competition over worldwide useful resource commons, and weaponization of minerals critical to these technologies in change disputes.
The wonderful upward push of the fuel costs that comes due to the power crisis affects the tourism industry pretty adversely. With the growth in gasoline costs, there is a boom in the prices of tourism as well. as a result of this, there are many who can not come up with the money for the same. This makes manufacturing greater highly-priced. international locations that revel in the strength and lack of confidence commonly have a decreased industrial output.
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The mid-ocean ridge is entirely volcanic and is composed of ________ lavas characteristic of the oceanic crust.
The mid-ocean ridge is entirely volcanic and is composed of basaltic lavas characteristic of the oceanic crust.
Magnetite grains are oriented parallel to the earth's surface at the magnetic equator, oblique to the earth's surface at the Tropic of Cancer, and pointing straight down (perpendicular to the earth's surface) at magnetic north. Pole.
Mantle clouds form at the core-mantle boundary. They are long-lived structures and hot plumes are relatively buoyant and rise to the surface.
Mid-ocean ridges occur along diverging plate boundaries where new ocean floors form as the Earth's tectonic plates spread. When the plates separate, lava rises to the seafloor, and huge volcanic eruptions of basalt occur.
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What is the name of the preexisting rock through which intrusive igneous bodies intrude? stock parent rock acid rock country rock
Country Rock is the name of the pre-existing rock through which intrusive igneous bodies intrude.
A body of rock that absorbs or hosts an intrusion of a viscous geologic substance is referred to as "country rock." Although unconsolidated sediments or salt horizons can sometimes be found in intrusions onto country rock, magmatic intrusions are more frequently found. Country rock may be made up of any other type of rock that existed before to the incursion, including sedimentary, igneous, and metamorphic rock.
The majority of the time, igneous bodies of rock that were created as magma was driven upward via cracks or melted its way through the underlying rock intrude upon country rock. The lava later solidified into a bulk that was unique from the surrounding country rock when it cooled. A xenolith is a piece of country rock that occasionally breaks off and becomes absorbed into the incursion.
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Tropical rainforests are one of the most biodiverse terrestrial biomes
True or
False
Answer: True
Here's why: The Amazon rainforest is the world's largest tropical rainforest. It is home to around 40,000 plant species, nearly 1,300 bird species, 3,000 types of fish, 427 species of mammals, and 2.5 million different insects.
wegener’s theory of continental drift states that the continents have changed throughout history, while the theory of plate tectonics
Wegener's theory that continental drift asserts that the continents have shifted over history, while plate tectonics describes the physical process that has produced that change.
The right answer is A.
What is plate tectonics as a scientific theory?Plate tectonics seems to be a scientific hypothesis that describes how key landforms are formed as a result of Earth's underlying motions. The idea, which was established in the 1960s, revolutionized the earth sciences by describing various phenomena such as mountain-building events, volcanoes, and earthquakes.
What is Wegener's plate tectonics as well as continental drift theory?Alfred Wegener is most closely identified with the hypothesis of continental drift. Wegener released a paper in the early twentieth century describing his notion that continental landmasses were "drifting" across the Earth, occasionally plowing through oceans and then into one other.
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I understand that the question you are looking for is:
Wegener’s theory of continental drift states that the continents have changed throughout history, while the theory of plate tectonics __________.
A. explains the physical process that has caused that change
B. rejects the theory of continental drift and instead claims that the continents have not changed
C. claims that continents only move during earthquakes
D. explains why the theory of continental drift is wrong
Answer:
It is A because it isn't D. continental drift really happened. C. They separate as plate tectonics are constantly moving. and B. Continental drift is real and the continents have clearly changed. A is the best answer. {Ps: I'm also doing the test}
What are the two main ingredients in the universe that interact with each other?
Light and matter are the two main ingredients in the universe that interact with each other.
Matter in universe is the fundamental building block of everything: life on Earth, the planet we survive on, the stars, and galaxies. It's commonly referred as such thing covers that has mass and occupies a volume of space.
Matter has mass and covers volume. Heat, light, and other forms of electromagnetic energy do not have quantifiable mass and can't be accommodate in a volume.
Light exists in mini packets called photons. Photons have no rest mass and they do not cover any volume.
Light is the radiation of vitality.
Light is both a atom and a wave.
Light has properties of both a particle and an electromagnetic wave but not all the effects of either.
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true or false
there is more land than water on earth
Mount Rushmore is the tallest mountain in the world
africa is locate in all hemispheres
four contries make up the north america continent
the rio grande is the longest river in the northern hemisphere
What explorer was known for exploring canada up to the arctic ocean and was the first european to explore canada to the pacific ocean 12 years before the similar journey done by lewis and clark?.
Answer:Alexander Mackenzie
Explanation:
When a thin crescent of the moon is visible just before sunrise, the moon is in its.
When a tiny crescent of the moon is visible right before sunrise, it means that the moon is waning since it is contracting at that time.
Before dawn, you can see a waning crescent moon in the east, also referred to as an old moon. A fading crescent moon will gradually reveal less and less of its illuminated side, or day side, with each new morning. As it approaches the new moon, when the moon will lie between the Earth and the sun, it rises closer to the sunrise each day. Around 2:00 a.m., a broad-waning crescent usually appears. although on occasion at midnight. In complete darkness, just before dawn's twilight, a thin crescent appears. Only in the early morning twilight does a slender crescent appear, and it is always low in the sky. The declining crescent phase is visible in the Northern Hemisphere as a tiny crescent of light on the left. The Moon exhibits these eight phases sequentially as it completes its monthly cycle. The Moon orbits the Earth in 27 days. Therefore, the lunar cycle lasts 27 days.
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What kind of map would you use to report the number of people per square mile in a Japanese city? A population densitypopulation density B reliefrelief C politicalpolitical D projection
A population density map would be used to report the number of people per square mile in a Japanese city.
A population density map focuses on the spatial variation of a particular distribution or subject, such as population density or average annual income. It usually contains some location or reference information, place names or significant bodies of water to help the map reader become familiar with the geographic area covered on the map.
All population density maps consist of two key components: the base map and statistical data. Desktop or computer Geographic information system packages for mapping are commonly used to create population density maps.
The correct answer is option A.
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What term is used to refer to rich countries providing aid to poor countries? please help me guys
*Question*: What is it called when a country helps another country?
*Answer*: foreign aid, the international transfer of capital, goods, or services from a country or international organization for the benefit of the recipient country or its population. Aid can be economic, military, or emergency humanitarian (e. g. , aid given following natural disasters).
*Question*: What is money and assistance to other countries called?
*Answer*: What is foreign aid? Foreign aid is money, technical assistance,
*Question*: What is aid to developing countries?
*Answer*: Development Aid Definition Generally, development aid includes monetary assistance in the form of direct grants, programs or training to support a developing country's political, social or economic development.
Explanation:
hope this helped
The unusual maintenance of genetic diversity among the mouflon in the indian ocean after a severe reduction in their population is mostly due to environmental pressures on the island where they lived. please select the best answer from the choices provided t f
The statement is True that the unusual maintenance of population diversity is mostly due to environmental pressures on the island where they lived.
Population Genetics is a subfield in genetics that studies the gene pool thoroughly to identify the differences in genes that prevails in the population. It is an emerging field of evolutionary biology that studies adaptation, speciation, and gene transfer.
The study of a popular gene can help to treat several genetic disorders such as Parkinson's disease, Hemophilia, Down syndrome, etc. Popular genetics also helps to identify those genes that identify certain behavioral patterns, hormonal shifts, etc. Thus, it is very important to explore this field to identify new advantageous genes for biomedical advancements.
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How does the temperature of the regions on the globe compare?
Answer:
The climate of a region depends on many factors including the amount of sunlight it receives, its height above sea level, the shape of the land, and how close it is to oceans. Since the equator receives more sunlight than the poles, climate varies depending on its distance from the equator.
ONE OF THE FOLLOWING IS A BRANCH OF PHYSICAL GEOGRAPHY
Answer:
biogeography, ecology, climatology, meteorology, geomorphology, hydrology and pedology.
Explanation: