<span>D. It is based on a pentagon and has different-sized oval windows on its exterior. May God Bless U With Ur Studies!!</span>
Arid and semi-arid regions often have to go through long periods of drought.A drought is basically a situation in which an area of land gets insufficient rainfall, causing a lot of suffering to those who inhabit these regions. Some of these drought-prone areas include deserts of Australia, parts of India and Sudan among others.
The relationship between two variables is "positive when one variable increases and the other increases" and the relationship between two variables is "negative when one variable increases and the other decreases".
<u>Answer:</u> Option C
<u>Explanation:</u>
"Variables" are the characteristics or properties that change or could be changed and responsible for variations in results. A variable is any factor, trait, or condition which occurs in differing amounts or types, usually independent, dependent, and controlled are kinds of variables preferred in any stream.
"Positive correlation" occurs when two variables move in same direction, for an instance like when one variable increases and the other increase or when one variable decrease and the other decreases. While "negative correlation" take place when two variables move in different directions like when one variable increases and the other decreases or when one variable decreases and the other increases.