How does the movement of water cause weathering and erosion? Give two examples of how Earth's surface is changed from the movement of water. Include the size of the area affected by the change and the timescale in which the change takes place for both examples.

they use tree rings to figure out weather patters.

just took the test the answer is b.

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