Question

D. CHOOSE THE CORRECT ANSWER 1. The major component of air is (a) oxygen (b) nitrogen Id water vapour (d) carbon dioxide 2. In the process of respiration, plants give out (a) carbon dioxide (b) oxygen le) nitrogen (d) water 3. Maximum density of air is found at (a) surface of the earth (b) higher altitudes (c) below the earth surface (d) all of these 4. The component of air used by plants to make their food is (a) carbon dioxide (b) oxygen (c) water vapour (d) nitrogen 5. The component of air that supports burning is (a) nitrogen (b) oxygen (c) carbon dioxide (d) dust particles Science in depth 228​

Answer 1

Explanation:

nitrogen

oxygen

surface of the earth

carbon dioxide

oxygen