The total number of stars in the observable universe is about

What is a possible result of higher air temperature caused by global warming

Me pl give an example of a collision in real life. use the law of conservation of energy to describe the transfer of momentum. be sure and discuss the momentum before and after the collision occurs. you will need at least 3 sentences to thoroughly answer this question.

Ryan is examining the energy of the particles in a bar of gold. what is ryan most likely studying?