Question and answer
Air is composed of nitrogen, oxygen, argon, carbon dioxide, and other gasses. How may air be best described? A) a compound B) a solution C) a mixture D) an amalgam
The correct answer is A. a compound.
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Original conversation
User: Air is composed of nitrogen, oxygen, argon, carbon dioxide, and other gasses. How may air be best described? A) a compound B) a solution C) a mixture D) an amalgam

Weegy: The correct answer is A. a compound.
sprklebbyshine|Points 60|

User: Table salt - sodium chloride, one of the most common substances occurring in nature - is best classified as which of the following? A) a mixture B) a solution C) a compound D) an amalgam

Weegy: Table salt - sodium chloride, one of the most common substances occurring in nature - is best classified as C) a compound.
yeswey|Points 2938|

User: he earth ______ on its axis from west to east. A) revolves B) rotates C) rises D) falls

User: The earth ______ on its axis from west to east. A) revolves B) rotates C) rises D) falls

User: During a solar eclipse, A) the earth prevents the light of the sun from reaching the moon. B) the shadow of the moon falls on the sun. C) the moon prevents the light of the sun from reaching the earth. D) the shadow of the sun falls on the ear

User: ______ range in size from one to 500 miles in diameter and revolve around the sun. A) Asteroids B) Comets C) Meteors D) Satellites

User: Ursa Major, Orion, and Andromeda are fixed groups of stars called? A) galaxies B) meteors C) constellations D) quasars

User: he process by which rocks are broken down into smaller fragments by the atmosphere and other factors in the environment is called? A) erosion B) sorting C) wind D) weathering





Weegy: The process by which rocks are broken down into smaller fragments by the atmosphere and other factors in the environment is called WEATHERING.
Expert answered|andrewpallarca|Points 23124|

User: Planting vegetation, terracing, and strip cropping are common practices employed in the prevention of? A) soil erosion B) irrigation C) delta formation D) glaciation

Weegy: Planting vegetation, terracing, and strip cropping are common practices employed in the prevention of A) SOIL EROSION.
Expert answered|andrewpallarca|Points 23124|

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Asked 7/3/2013 3:56:40 PM
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Updated 7/3/2013 4:14:39 PM
1 Answer/Comment
The instrument used to determine air pressure is called a BAROMETER.
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This planet revolves around the sun in an orbit between that of Venus and Mars. It is known to be covered by oceans and some land, and it has but a single moon. The planet is? A) Jupiter B) Saturn C) Earth D) Uranus
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This planet revolves around the sun in an orbit between that of Venus and Mars. It is known to be covered by oceans and some land, and it has but a single moon. The planet is Earth.
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The type of political system headed by Queen Elizabeth II of England is Monarchy.
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