All of the following statements are true of mining minerals from the ocean except:
a. mining for deep-water deposits is just as easy as mining for continental shelf deposits.
c. minerals can be found in even the deepest p21 of the ocean.
b. petroleum and oil can be mined from the continental shelf.
d. valuable minerals such as diamonds and gold can be found in deep-water deposits.

Which of the following statements about the migration of workers to other countries is false?

How long does it take hair to grow 8 inches?

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.