What landforms form at convergent plate boundaries where 2 oceanic plates collide

How does water pollution affect the environment

The diagram shows the positions of the sun, moon and earth during spring tides, when the high tides are at their highest and low tides at their lowest. what is it about these positions that causes these high and low tides?

Which country is currently the most populated country in the world? a. india b. china c. mongolia d. indonesia