When potential ET is equal to actual ET: a deficit is coming
a surplus is occurring
the soil is completely dry
none of the above

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?

Suppose that the sun shrank in size but that its mass remained the same. what would happen to the orbit of the earth?

What happens if you look at the sun through a magnifying glass? would it be any worse than just looking at the