breaking of rocks due to constant expansion and contraction involves mechanical stresses from expanding n contracting. so ans is A. mechanical weathering
It might be collected taxes, settled law suits.
Answer:
convection currents of rock move the plates its like a soup the cold soup part sinks to heat up near the heating plate and rises once its hotter than the rest of the soup to cool down because its further away from the heat source and this also happens in the mantle
Rivers typically come from underwater springs. They can also form from mountains and hills from melted snow.
