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Environmental Science

Environmental Science
Which of the following processes acts to remove carbon dioxide from the atmosphere?

Deforestation
Photosynthesis
Lightning
Burning fossil fuels

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Environmental Science
The earth's first atmosphere was composed primarily of:

Oxygen and water vapor
Carbon dioxide and water vapor
Hydrogen and helium
Argon and nitrogen

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Environmental Science
Mobile combustion accounts

5-10 % of air pollution
50-60 % of air pollution
10-20% of air pollution
40-50% of air pollution

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Environmental Science
Phytoplankton are

Omnivores
Producers of forest
Consumers of Ocean
Producers of lakes

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Environmental Science
The first national park of Kerala

Iravikulam
Kottayam
Aralam
Idukki

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Environmental Science
Extensive planting of trees to increase forest cover is called

Afforestation
Social forestry
Deforestation
Agroforestry

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MORE MCQ ON Environmental Science

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