What is the role of air in the growth of green plants ?

The essential role of air in the growth of green plants was revealed by

The essential role of air in the growth of green plants was revealed by

What did Priestly hypothesize on the experiment he conducted on the role of air in the growth of plants ?

Describe an experiment conducted by Joseph Priestly which revealed the essential role of air in the growth of green plants.

Describe the role of iron in the growth of plants?

What are auxins? Discuss the role of auxins in the growth of plants.

What are auxins?Discuss the role of auxins in the growth of plants.

Mention three role of Auxin hormone in the growth of plants.