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Which two considerations are used to calculate a windchill factor?

wind speed and air temperature

air pressure and wind direction

wind direction and atmospheric heating

atmospheric heating and air temperature

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Which statement accurately describes humidity?

Humidity is a measure of dew in the air.

Colder air promotes more evaporation.

Cold air holds more moisture than warm air.

Humidity refers to the amount of water vapor in the air.

Study the image.

Warm air is rising.

Cool air is sinking.

Cool air is less dense.

Warm air is more dense.

Which gas in Earth’s atmosphere forms ozone?

oxygen

nitrogen

water vapor

carbon dioxide

Which type of heat transfer causes a spoon to become warm when it is placed in a cup of hot water?

absorption

radiation

convection

conduction

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