Question

_______ and ________ are supplied by air to plants.

• A. Carbon
• B. oxygen

Answer 1

Carbon and oxygen

1. Plant get carbon and oxygen from the air through stomata.
2. Carbon is an essential nutrient for the synthesis of sugar through the process of photosynthesis by plants.
3. Oxygen is required to break the sugar to generate the energy required by the plants for different purposes.

Final answer: Carbon and oxygen are supplied by air to plants.