Where does a tree get its mass from as it grows?

A tree gets its mass mostly from carbon dioxide. This is because the tree uses carbon dioxide as energy and uses it to grow.

- - A tree gets its mass from soil and carbon dioxide as it grows.

Without the soil the tree can't grow.
Same goes for carbon dioxide.
The soil is a important part in growing a tree  because its basically the foundation.
 As carbon dioxide just gives it its energy.

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