What makes an iceberg dangerous? a. Decisions are made based on what you can see b. It is challenging to know the iceberg’s exact shape and size c. You can’t confront an iceberg without facing the facts and using the numbers to navigate d. All of the above

Why don't all places on earth receive the same amount of direct sunlight at the same place?

Which of the following describes what rocks usually are composed of ,

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.