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Environmental Science

Environmental Science
What is oil slick?

Oil in deep sea
Cooled oil
Boiled oil
Thin film of oil in sea water

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Environmental Science
Freshwater protozoans react to a/an __________ environment by removing water through _______

hypertonic, a contractile vacuole
hypotonic, a contractile vacuole
isotonic, a contractile vacuole
hypotonic, turgor pressure

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Environmental Science
Ex situ conservation includes

Botanic garden
Zoo
All of these
Germplasm bank

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Environmental Science
How much radiant energy will an object emit if its temperature is at absolute zero?

The same as it would at any other temperature
Depends on the chemical composition of the object
The maximum theoretical amount
None

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

River water
None of these
Ocean
Rain water

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Environmental Science
All the statements are correct regarding ecological succession except

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

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