Gravity is one reason but also it depends in the speed, if the wave is fast, it will go higher and then bend. hope i helped :D
Answer:
pluto
Explanation:
the others are formed from other things
Fuel is use to produce a force to accelerate in a new direction.In the void of space the object will continue its velocity until somthing acts upon it.(newtons first law of motion)
Answer:
will improve how fast your brain works and also help you learn just as fast