HORTICULTURE

Detailed explanation-1: -During photosynthesis, plants take in carbon dioxide and give out oxygen as a byproduct. The oxygen given out is utilized by humans and other animals for carrying out their own cellular functions. Q. Plants utilize carbon dioxide during photosynthesis.

Detailed explanation-2: -The leftovers from making the plant food is another gas called oxygen. This oxygen is released from the leaves into the air. Take a look at the picture below to see this system in action. This leftover oxygen is really important because humans and other animals need this oxygen to live which we breathe in from the air.

Detailed explanation-3: -Plants use photosynthesis to capture carbon dioxide and then release half of it into the atmosphere through respiration. Plants also release oxygen into the atmosphere through photosynthesis.