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Environmental Science

Environmental Science
Commonly used radioactive isotopes in scientific research

14 C
32 P
all of these
125 I

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Environmental Science
A high Biological Oxygen Demand (BOD) indicates that:

Low level of microbial pollution
water is pure
absence of microbial action
High level of microbial pollution

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Environmental Science
Organisms having the potential for interbreeding and producing fertile offspring is called

Order
Species
Class
Genus

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Environmental Science
The earth's radiation is often referred to as ________radiation, while the sun's radiation is often referred to as _________radiation.

Shortwave, shortwave
Longwave, shortwave
Longwave, longwave
Shortwave, longwave

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Environmental Science
Which of the following is the most responsible for world water crisis?

Drought
Population growth
Dams
Floods

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Environmental Science
_________ is an on-site conservation method.

Zoo
National parks
Parks
Forests

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MORE MCQ ON Environmental Science

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