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Environmental Science - section-1
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Environmental Science - section-9
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Environmental Science - section-11
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Environmental Science - section-13
  1. Where are the days and nights of equal length all year long?

    2. A.

     At 66.5o
    B.

     Nowhere
    C.

     At 23.5o
    D.

     At the Equator

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  2. During the winter solstice in the Northern Hemisphere:

    3. A.

     Astronomical winter begins in the Northern Hemisphere
    B.

     The noon sun is overhead at 23.5o S latitude
    C.

     At middle latitudes in the Northern Hemisphere, this marks the longest night of the year
    D.

     All of the above

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  3. The largest annual ranges of temperatures are found:

    4. A.

     At polar latitudes over land
    B.

     At polar latitudes over water
    C.

     At middle latitudes near large bodies of water
    D.

     At the Equator
    E.

     In the Northern Central Plains of the United States

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  4. Night time temperatures rarely drop below the dew point temperature because

    5. A.

     The dew will absorb all the heat
    B.

     Saturation vapor pressures always increase at night
    C.

     At saturation, latent heat of condensation is released into the air
    D.

     Both (b) and (c)

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  5. The time of day when the relative humidity reaches a maximum value is usually

    6. A.

     At the time when the air temperature is highest
    B.

     In the middle of the afternoon
    C.

     At the time when the air temperature is lowest
    D.

     Just before sunrise
    E.

     About midnight

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  6. The deepest radiation inversion would be observed:

    7. A.

     At the equator any day of the year
    B.

     In polar regions in winter
    C.

     At the top of a high mountain in winter
    D.

     On a desert in winter
    E.

     In a deep valley during the summer

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  7. The abiotic and biotic components constitute the structure of an

    8. A.

     energy flow
    B.

     environment
    C.

     atmosphere
    D.

     Ecosystem

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  8. All species on earth together with their environments collectively comprise

    9. A.

     lithosphere
    B.

     hydrosphere
    C.

     atmosphere
    D.

     biosphere

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  9. The practical problem in hydrogen production is its

    10. A.

     weight
    B.

     valency
    C.

     atomicity
    D.

     chemical property

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  10. In the northern hemisphere, the number of hours of daylight begin to shorten after the

    11. A.

     Spring equinox
    B.

     Summer solstice
    C.

     Autumn equinox
    D.

     Winter solstice

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