Question

hi! i wonder why leaves stop being green at autumn? i mean how do they know and why color are so different?

Answer 1

The point is that leaves contain special pigments, i.e. chemical compounds, which undergo transformation under temperature change. So that's just [url=/chemistry]chemistry[/url]. Visit our blog, soon we'll post a detailed article on this topic. Meantime here's explanation [url=/blog/why-leaves-on-trees-are-green/]why plants are green[/url], which is closely related to your question.