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

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

Which is essential for the growth of tip?

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

Explain the role of factors in growth of plants and animals.

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