B: China and India both have a population around 1.5 billion people so in total they have around 3 billion people combined! That is more than the continent of Africa and North America combined!
C. an oceanic trench is most likely form when movement along a plate boundary forces a landmass to be pulled apart.
Greater, earths core is very hot and pressured.
The more you go down, the greater pressure and heat there is.
Answer:
we need tropical rain forests because they produce oxygen and clean the atmosphere to help us breathe. They also provide us with medicinal plants and may be the source to cure deadly diseases.
