Which factor is a primary cause of seasonal changes on earth?

the answer is b. hope this !

20: 5

explanation:

about 20% of the world's population lives in   southwest asia, but on less than 5% of the world's   land area.

the rub-al-khali is also known as the arabian desert and the "empty quarter"

if he does not use open the compass the a width greater than half of po, he will not be able to find the midpoint of the line, without the midpoint of the line, he will not be able to bisect the line.   to find the midpoint of a line the circles drawn with a compass must either intersect or be touching.