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Environmental Science

Environmental Science
Water from springs contain dissolved __________ compounds which are used to cure some skin diseases.

Nitric
Carbon
Sulphur
Oxide

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Environmental Science
What is the animal symbol of W. W. F (World Wildlife Fund) ?

Giant Panda
Red Panda
Kangaroo
Tiger

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Environmental Science
The simplest aquatic ecosystem can be seen in a

Water Tank
Lake
Pond
River

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Environmental Science
Photosynthesis is found in

Decomposers
Consumers
Producers
Scavengers

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Environmental Science
Heavy dust can cause

opening of stomata
leaf blights
closure of stomata
browning of leaves

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Environmental Science
In a volume of air near the earth's surface, ____ occupies 78 percent and ____ nearly 21 percent.

Nitrogen, water vapor
Hydrogen, helium
Oxygen, hydrogen
Nitrogen, oxygen
Hydrogen, oxygen

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