An evolutionary argument for why women today need assistance in giving birth may be that

the large brains of Homo sapiens infants necessitate a different pattern of childbirth events than seen in earlier hominids and primates.

The formation of the planet uranus is estimated to have occurred approximately when?

Which of the following east asian contries are a peninsula? a. china b. taiwan c. south korea d. mongolia

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.