Question

3. Which components of air are essential
for plants to survive?​

Answer 1

Answer:

carbon dioxide

Explanation:

carbon dioxide is important for plants in process of photosynthesis

Answer 2

Answer:

The component of air which is essential for growth of plants and animals is nitrogen. Atmospheric nitrogen is converted by bacteria through nitrogen fixation to nitrate and nitrites, which is consumed by plants. Animals also need nitrogen, as all amino acids which are the building blocks of proteins have basic element of nitrogen.