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Environmental Science

Environmental Science
A permeable rock that contains hydrocarbon fluids and gases is called a/an

Source bed
Oil trap
None of these
Oil reservoir

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Environmental Science
As it travels along the food chain, the concentration of DDT

increases
remains constant
decreases
fluctuates randomly

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Environmental Science
The main reason(s) for warm summers in northern middle latitudes is that:

Only (b) and (c) are correct
All of these
The earth is closer to the sun in summer
The days are longer
The sun is higher in the sky and we receive more direct solar radiation

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Environmental Science
Pencillium does not swallow the growth of bacterium Staphylococcus. This sort of relationship is called

amensalism
commensalism
mutualism
predation

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Environmental Science
Ultraviolet radiation which is not lethal but harm to the organism is

0.32-0.4
0.28-0.32
0.4-0.5
0.1 to 0.28

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Environmental Science
The gas responsible for the greenhouse effect on Venus is:

Nitrogen (N2)
Ozone (O3)
Oxygen (O2)
Water vapor (H2O)
Carbon dioxide (CO2)

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