Which of these statements is correct about the continental drift theory and plate tectonic theory?

a. they are explained with the of non observable facts
b. they are proved valid by evidences that are nontestable
c. they are based on evidences obtained from investigation
d. they are accepted by scientists because they are historic

The total fertility rate is a measure of the number of children that would be born if all women lived to the life expectancy age forthe given country in which they live.

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.

What empire controlled most of the middle east except for a few years between 1516 and 1917, where was the capital of this empire located and what was the geographic extent of this empire?