•how are weathering and erosion different from each other?

From which layer of atmosphere is the top layer of the thermosphere? a.troposphere b. stratosphere c.mesosphere d.exosphere hurry me i will give a braineilst

In the water cycle , when does water undergo a chemical change

In 2001, records showed that local stocks of fish were down worldwide. yet, records of harvests indicated that fish were being taken at records rates. what was actually happening?