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Environmental Science

Environmental Science
Harmful trace metals in fly ash:

antimony
cadmium
arsenic
All of these

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Environmental Science
Which of the following is an extinct species?

Ostrich
Dodo
Tiger
Lion

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Environmental Science
Hippocrates mentioned air pollution in __________ BC.

400
500
620
354

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

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

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Environmental Science
"Smog" is a mixture of

Sulphur Dioxide and Fog
Snow and Fog
Smoke and Fog
Snow and Dust

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

1

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