Geologists have shown that the east coast of the United States faces a serious tsunami threat from .
A. large earthquakes offshore of Portugal
B. volcanic flank collapse in the Canary Islands
C. break up of Antarctic ice shelves
D. meteor impact in the Mediterranean Sea
E. landslides along the white cliffs of Dover

In the diagram below dab and dac are adjacent angles

Name one type of data that h-r diagrams do not show.

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.