You are in college and u don't know this
Answer:
im pretty sure its form a hypothesis
You are probably right, I might be A. or, I might be wrong it could be C.
Our universe began with an explosion of space itself - the Big Bang. Starting from extremely high density and temperature, space expanded, the universe cooled, and the simplest elements formed. Gravity gradually drew matter together to form the first stars and the first galaxies
Answer:
The particles slow down as they lose energy.
