One job of the excretory system is a] to control the heartbeat
b]to protect the body against viruses
c]to move the body from place to place
d]to maintain the pH of the blood

Write a question about how changing temperature affects the gas inside the sports ball

A2 kg ball travellng to the right with a speed of 4 m/s collidees with a 5 kg ball traveling to the left with a speed of 3 m/s. take right to be the positive direction. what is the total momentum of the two balls before they collide? what is the total momentum of the two balls after they collide?

This is the substance(s) formed in a chemical reaction.