When the Moon and the Sun lie exactly in the same direction in the sky, what phase of the Moon would you see?

Which factors add to the greenhouse effect and are caused by human activities?

Find the coordinates of a if b(-9,-10) is the midpoint of ac and c has the coordinates of (-1,9)

Name the two rivers that run through the fertile crescent. how were the rivers both positive and negative to societies of the fertile crescent?