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Environmental Science

Environmental Science
________ is diffused into the ground by gravitational force.

Ocean
Rain water
None of these
River water

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Environmental Science
Salinization is ___________.

Accumulation of salts in body
Accumulation of salts in animals
Accumulation of salts in soil
Accumulation of salts in water

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Environmental Science
Which one of the following is the non-renewable resource?

Sunlight
Oxygen
Water
Coal

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Environmental Science
All the statements are correct regarding ecological succession except

Species diversity increases as succession proceeds
The role of decomposers becomes more and more important
The food chain relationships becomes more complex
It is a random process

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Environmental Science
What is meant by root zone process?

A control measure to prevent water pollution
A control measure to prevent soil pollution
None of these
A process by which roots of plants are spread on the ground

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Environmental Science
What is the leading source of energy used in the United States today?

nuclear power
natural gas
oil resources
coal

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