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Environmental Science

Environmental Science
When the two ecosystems overlap each other, the area is called

Ecotone
Habitat
Ecotype
Niche

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Environmental Science
Oil spills are a source of pollution for

land and air
air and noise
water
land and water

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Environmental Science
Two opposite forces operate in the growth and development of every population. One of them is related to the ability to reproduce at a given rate. The force opposite to it is called

biotic control
mortality
fecundity
environmental resistances

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Environmental Science
BOD of a river water is found very high. This means water

is highly polluted
contain many dissolved minerals
contain Algae
is clear

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Environmental Science
Official date of Earth Day is on _________

43973
43943
43987
43911

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Environmental Science
Of the gases listed below, which is not believed to be responsible for enhancing the earth's greenhouse effect?

Nitrous oxide (N2O)
Molecular oxygen (O2)
Methane (CH4)
Carbon dioxide (CO2)
Chlorofluorocarbons (CFCs)

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