We divided earths surface into 4 sections. what are those sections and how do they differ?

Volcanic irruption is most likely to be violent when a) volcanoes near to the sea b) the neck of the volcano is sealed by a plug c) the lava is viscous d) the lava reaches the surface through a fissure e) the volcano is on the ocean floor

What distinguishes monsoon asia from the remainder of asia? what are the consequent differences between the two?

What is the main purpose of the gi bill