Chapter 2: Practice Quiz – Flashcards
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A gas that occurs in minute concentrations in the atmosphere and yet shields living organisms from exposure to potentially lethal intensities of solar ultraviolet radiation is:
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Ozone.
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A global climate model that is run on a computer and used to predict the climatic future is a ______ model.
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Numerical.
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A numerical model consists of ______ and is used to forecast weather.
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Mathematical equations.
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Aerosol is the name given to:
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Solid and liquid particles small enough to be suspended in air.
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An atmospheric gas that varies significantly in concentration from one location to another near sea-level is:
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Water vapor.
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Carbon dioxide was an abundant gas in the atmosphere in Earth's distant past. Its subsequent decline was caused primarily by:
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Cycling into the ocean, sediments, and bedrock.
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During photosynthesis, green plants remove ______ from the atmosphere and release ______ to the atmosphere.
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Carbon dioxide..............oxygen.
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Earth's atmosphere:
Shields organisms from potentially lethal levels of solar ultraviolet radiation.
Contains the gases essential for photosynthesis and cellular respiration.
Supplies the water required by all forms of life.
All the above are correct.
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All of the above are correct.
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In the troposphere, air temperature______ with increasing altitude.
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Usually decreases.
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Most water vapor in the atmosphere occurs in the _________.
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Troposphere.
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Remote sensing of the atmosphere is carried out by __________.
Weather radar
Weather satellite sensors
All the above are correct
None of the above are correct
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All of the above are correct.
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Temperature in the atmosphere:
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Increases in the stratosphere as altitude increases.
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The variation of temperature, air pressure, and dewpoint (a measure of humidity) with altitude within the troposphere is measured using a:
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Radiosonde.
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Today, the principal source of atmospheric oxygen is:
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Photosynthesis by plants.
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Water vapor is:
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An invisible gas.
