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Environmental Science

Environmental Science
A narrow valley with steep sides is known as

Landslide
Canyon
Waterfall
Gorge

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Environmental Science
_________ causes loss of water because of seepage of water into the soil.

Transpiration
Infiltration
Evaporation
Percolation

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Environmental Science
In which year Silent Valley was declared as National Park?

1981
1984
1988
1982

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Environmental Science
In the northern hemisphere, a solar panel should be placed on the side of the roof facing:

West
North
East
South

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Environmental Science
Commonly used radioactive isotopes in scientific research

all of these
32 P
125 I
14 C

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Environmental Science
Carbon dioxide is called greenhouse gas because it is

Transparent to heat but traps sunlight
Used in green-house to increase plant growth
Transparent to sunlight but traps heat
Transparent to both sunlight and heat

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