What changes the color of the leaves in a tree

In the fall, the days become shorter and the temperatures become colder. This all affects a leafs ability to photosynthesize. When it cannot photosynthesize, the leaf turns brown and falls.

it brings people together in a powerful worldwide coalition to end the devastating impact of corruption on men, women and children around the world.

the precambrian aged rocks could be found in australia. australia is a region that has a lot of ancient civilization history from million years ago. in this region, there are a lot of recognizable fossils buried in its land which is considered a precambrian-aged rocks