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Environmental Science

Environmental Science
Carbon dioxide is a naturally-occurring component of the atmosphere.

1

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Environmental Science
The range of normal human hearing is in the range of

10 Hz to 80 Hz
50Hz to 15000 Hz
15000 Hz and above
50 Hz to 80 Hz

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Environmental Science
_______ is an example of "bottom feeders".

Tadpole
Snake
Frog
Cat fish

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Environmental Science
Green House effect is caused by

Increase in CO2
Increase in O2
Decrease in O2
Decrease in CO2

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Environmental Science
Which of the following is not an indicative biological trait for the trait of ecology?

Habitat
Fish reproductive strategy
Fish stream size preference
Feeding behavior

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Environmental Science
Many freshwater animals cannot live for long in sea water and vice versa mainly because of the

Spectral quality of solar radiation
Osmotic problems
Change in N levels
Variations in light intensity
Change in the levels of thermal tolerance

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