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Environmental Science

Environmental Science
Ozone depletion in the stratosphere will cause

none of these
increased incidence of skin cancer
forest tires
global warming

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Environmental Science
In the northern hemisphere, the number of hours of daylight begin to shorten after the

Spring equinox
Autumn equinox
Winter solstice
Summer solstice

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Environmental Science
Commonly used radioactive isotopes in scientific research

14 C
32 P
125 I
all of these

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Environmental Science
Black Buck is a

Bird
Butterfly
Goat
Deer

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Environmental Science
What is Plankton?

none
Microscopic floating organisms - Plants and animals.
large plants in water
bottom dwelling aquatic organisms

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Environmental Science
A high density of elephant population in an area can result in

mutualism
Predation on one another
Intraspecific competition
Interspecific competition

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MORE MCQ ON Environmental Science

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