Question

the Science teacher was taking a class on plants and

its relation with O2 and CO2. Besides respiration plants

needs CO2 for making food.

(i) Name the process through which plants take CO2 for food

making. (ii) From where does O2 come in the atmosphere?

(iii) Which one of these gases is a greenhouse gas, O2 or CO2?​

Answer 1

Answer:

i)Photosynthesis

ii)From plants

iii)CO2

Explanation:

i)Photosynthesis is the process through which plants take CO2 for food.

ii) during the process when plants use photosynthesis they take carbon dioxide and release oxygen to the air.

iii)CO2 gas is a greenhouse gas