English, Islam, monotheistic, religious
Answer:
gravity
Explanation:
streams erode dirt and rocks, transport the sediment, and redeposit it in new locations shaping the earths surface into a system of stream valleys. streams now flow downhill due to the force of gravity
Sum of all angles in a quadrilateral is 360....so x=36
1st angle=4(36)=144
2nd angle=3(36)=108
3rd angle=2(36)=72
4th angle =36