Question

1. (a) Which gas in the atmosphere is utilised by the trees and plants in photosynthesis ?

(b) Which gas in the atmosphere traps the heat rays reflected by the Earth?​

Answer 1

Answer:

carbon dioxide

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Answer 2

Answer:

a...Carbon dioxide is a chemical compound that is found in Earth's atmosphere as a gas. It is exhaled by animals and used by plants in a process called photosynthesis.

b....carbon dioxide

Increased level of carbon dioxide in the atmosphere traps the heat rays reflected by the earth causing an increase in the temperature on the earth.

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