There is a geological site associated with earthquake activity and a mountain range. When a person looks offshore, they do not find any trenches. What type of boundary are they dealing with?

oceanic-oceanic convergent boundary

oceanic-continental convergent boundary

divergent boundary undersea

continental-continental convergent boundary

If you could drill a hole straight to the center of the earth, and keep track of what the hole is going through, youwould find: a) you would go through one sort of material, and then a different, denser material, and then a still-different, still-denser material, because the planet is made of concentric layers, sort of like an onion. b) you would go through one sort of material all the way to the center, because the planet is all mixed up. c) if your hole started at the north pole, you would go through different layers of different materials, but ifyour hole started at the equator, you would go through one sort of material all the way to the center. d) if your hole started at the equator, you would go through different layers of different materials, but if yourhole started at the north pole, you would go through one sort of material all the way to the center. e) you would strike diet pepsi when you got to the center.

Which layer surrounds the center of the earth? a: crust b: core c: mantle

What is unusual about the iraq mountains ,in spite of their old age?