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Environmental Science

Environmental Science
Commonly used radioactive isotopes in scientific research

all of these
14 C
125 I
32 P

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Environmental Science
What is the major cause of diminishing wildlife number?

Paucity of drinking water
Habitat destruction
Felling of trees
Cannibalism

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Environmental Science
World's most problematic aquatic weed is

eichornia
trapa
azolla
wolffia

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Environmental Science
The temperature to which air must be cooled in order to become saturated is the:

Wet-bulb temperature
Dew point temperature
Minimum temperature
Freezing point

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Environmental Science
A group of individuals of a plant or animal species, inhabiting a given area is called

Community
Ecosystem
Population
Biome

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Environmental Science
Animals that feed only on plants are called

carnivores
omnivores
herbivores
detritivores

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MORE MCQ ON Environmental Science

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