Photosynthesis?

How does a tree gain mass from the air? Does this have to do with photosynthesis and the carbon dioxide in the air? Basically, how does the process of photosynthesis contribute to the gain of mass in a plant??
Answers

Tristen

Photosynthesis provides the carbon used to make plant cells and tissues. All organic life is made from a backbone of carbon molecules. The plants/trees fix the carbon from the air, and we eat plants (or we eat other things that have eaten plants).

Paula

Yes it is photosynthesis This article explains what happens. https://en.wikipedia.org/wiki/Photosynthesis

Dances with Weed

Tell me...what do you think the trees roots are for? The roots of any plans for that matter? Then tell me how you are this stupid?