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Environmental Science

Environmental Science
Which of the following gases has role an important in maintaining atmospheric temperature?

Argon
Nitrogen
Oxygen
Carbon dioxide

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Environmental Science
Nuclear accidents mostly release radioactive __________ into the atmosphere

Phosphorus
Sulphur
Iodine
Carbon

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Environmental Science
The conversion of a pond to a climax forest community is an example of

xerarch succession
mesarch succession
all of these
hydrarch succession

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Environmental Science
Euro II standard refers to _________

increasing carbon content in fuel
Lowering carbon content in fuel
Lowering sulfur content in fuel
Increasing sulfur content in fuel

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Environmental Science
Some species of plants and animals are extremely rare and may occur only at a few locations are called

Vulnerable
Endangered
Endemic
Threatened

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Environmental Science
The atmospheric layer in which we live is called the:

Stratosphere
Thermosphere
Exosphere
Troposphere
Ionosphere

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