In what way was the R-7 rocket an improvement over the V-2 rocket? O A. It had far more thrust, so it could be launched higher and travel farther.
O B. It was larger and could carry multiple spacecraft at once.
O C. It was more efficient and required less fuel.
O D. It was lighter and was made of less expensive materials.

your the dumbest b**tch ive ever seen

the supermassive black hole is in the middle of the galaxy.

a plastic spoon that has a temperature of 78° f is placed into a bowl of soup that has a temperature of 84° f. which of these correctly describes what will happen?

energy as heat moves from the soup to the spoon.

a=c and then d= c because of the band so you get ac/dc and you add them together you get sound waves