Question

The_____ gas present in the air is used by green plants for making their food through photosynthesis.

Answer 1

• Carbon dioxide which is present in the environment in the composition of 0.03% helps plants in making their food through the process called photosynthesis.
• Carbon dioxide is reduced to glucose with the help of sunlight which is the food of plants,
• Apart from photosynthesis carbon dioxide is also very essential for maintaining the temperature of the earth just to make the earth's temperature favorable for living beings but after industrialization the level of carbon dioxide increases and causes global warming.