Unit Test — Unit test Answers

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From which type of clouds do hail pellets form?

cirrus

cumulonimbus

nimbostratus

stratus

Which correctly lists three characteristics that are used to describe air?

altitude, density, radiation

density, radiation, mass

mass, pressure, density

pressure, altitude, radiation

Which gas in Earth’s atmosphere has increased over time due to burning fossil fuels?

oxygen

nitrogen

water vapor

carbon dioxide

What is a land breeze?

air that travels in a curved path

air that blows at night over short distances

air that flows steadily in different directions

air that blows from the poles to the equator

Study the image.

Air continuously blows away from the equator.

Air flows in different directions over long distances.

Air moves from regions of low pressure to high pressure.

Air circulates in an upward direction, creating surface winds.

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