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Environmental Science

Environmental Science
Commonly used radioactive isotopes in scientific research

14 C
125 I
all of these
32 P

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Environmental Science
The deepest radiation inversion would be observed:

At the equator any day of the year
At the top of a high mountain in winter
In polar regions in winter
In a deep valley during the summer
On a desert in winter

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Environmental Science
Hypothermia is most common in:

Cold, dry weather
Hot, dry weather
Cold, wet weather
Hot, humid weather

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Environmental Science
A river with high BOD value is

none of these
highly productive
highly polluted
highly clean

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Environmental Science
When human body is infected by infection __________ type of cells are activated to defend the body.

leukocytes
lymphocytes
monocytes
erythrocytes

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Environmental Science
Radiation can cause

Haemophilia
cardiac disease
leukemia
bone marrow diseases

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