What is true of the water cycle? A. It begins when the Sun evaporates water from oceans, rivers, and lakes.
B. It begins when groundwater flows into oceans.
C. It ends when water falls from clouds to Earth's surface.
D. It has no beginning or end.

D

Explanation:

A water cycle is constantly going on there is no definitive starting or stopping point

the answer is f1 and d2 because if you put equal force on those two points the beam would balance trust me on this

the components of a vector are the parts of the vectors that are to each other.

b perpendicular