Question

2. Identify the gas and give its percentage in air. (i) the gas that forms more than three-quarters of air (ii) the gas that helps your body get energy from food (iii) the gas that plants need to make food ​

Answer 1

Answer:

(i) Nitrogen

(ii) Oxygen

(iii) Carbon Dioxide

Explanation:

Nitrogen = 78%

Oxygen = 21%

Carbon Dioxide = 0.1%