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Environmental Science

Environmental Science
Respiratory roots are known as

prop roots
hydathodes
velamen
pneumatophores

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Environmental Science
Which of the following provides a measure of the average speed of air molecules?

Density
Pressure
Temperature
Heat

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Environmental Science
Bell-shaped polygonal pyramid indicates

low percentage of old individuals
moderate percentage of young individuals
high percentage of young individuals
low percentage of young individuals

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Environmental Science
Burning of coal produces oxides of sulphur and nitrogen which combined with water vapor leads to

soil pollution
brackish water
forest fire
acid rain

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Environmental Science
Nitrogen oxide and hydrocarbons released by automobiles interact to form

SO2
CO
Aerosol
PAN

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Environmental Science
Bears are usually hunted and killed for their

Teeth
Nails
Skin
Gall bladder

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