樹木在哪裡獲得質量?

Complete unedited interviews: http://每年7月14日?v=8dcw98B2Nzg
Trees can weigh hundreds or even thousands of tons, but where do they get this mass from? A few common answers are: the soil, 水, and sunlight. But the truth is the vast majority of a dry tree’s mass comes from the air – it originated as carbon dioxide