Newton’s law of universal gravitation states that every object in the universe attracts every other object. t of f

The right option is; True

Newton’s law of universal gravitation is a general physical law that was created by Isaac Newton. Newton's law of universal gravitation states that every object in the universe attracts every other object by a force which is directly proportional to the product of their masses and inversely proportional to the square of the distance between them.

answer: 21

step-by-step explanation:

divide 630 by 30. 30 goes into 630 21 times

i'm thinking (a) to keep sand in place; ////////////

explanation: a sand fence or sandbreak, like a snow fence, is used to force windblown, drifting sand to accumulate in a desired place. sand fences are employed to control erosion, sand dune stabilization, keep sand off roadways, and to recruit new material in desert areas.