From my understanding, plants make oxygen via photosynthesis. Without plants, trees etc, there wouldn't be enough oxygen in the atmosphere for people or other life to survive. Once humans had evolved, we also began using wood to build houses and harvesting food. Without forests, modern humanity wouldn't exist at all
You mean what is hat with an X?
Britain was the cultural centre of Europe during most of the classical period.
The ideals of liberty, equality, and faternity
December 21st 2012. Is the the answer.