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Environmental Science

Environmental Science
When oil and gas resources are burnt they kill many forests and lakes by

deforestation
forest fire
acid rain
water pollution

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Environmental Science
Species that occur in different geographical regions separated by special barrier are:

None of these
Allopatric
Sympatric
Sibling

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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

environmental resistances
mortality
fecundity
biotic control

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Environmental Science
_______ trees shed their leaves during winter and hot summer.

Shola
ever green
deciduous
coniferous

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Environmental Science
The final stable community in an ecological succession is called the

seral community
ultimate community
final community
climax community

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Environmental Science
The most abundant gas in the stratosphere is:

Chlorofluorocarbons (CFCs)
Ozone (O3)
Carbon dioxide (CO2)
Oxygen (O2)
Nitrogen (N2)

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