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Environmental Science

Environmental Science
An example of one way ecological cycle is

energy cycle
carbon dioxide cycle
water cycle
oxygen cycle

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Environmental Science
In calm air the air temperature is -10o C, if the wind speed should increase to 30 knots (with no change in air temperature) the thermometer would indicate:

A much lower temperature than -10o C
A much higher temperature than -10o C
A temperature of -10o C
A temperature of -30o C

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Environmental Science
Typically, water vapour occupies about what percentage of the air's volume near the earth's surface?

Close to 10 percent
Less than 4 percent
About 21 percent
About 78 percent
None of these

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

mutualism
Intraspecific competition
Interspecific competition
Predation on one another

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Environmental Science
Most of the radiation emitted by a human body is in the form of:

Ultraviolet radiation and is invisible
Visible radiation but is too weak to be visible
Infrared radiation and is invisible
Humans do not emit electromagnetic radiation

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Environmental Science
Non-lonizing radiations with specific biological effects are

UV radiations
Gamma rays
Beta-rays
X-rays

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MORE MCQ ON Environmental Science

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