The temperature and volume in a closed container of gas remain constant, if the particles of gas is increased, what will happen to the gas pressure? a. it will increase b. it will decrease c. it will remain constant d. you cannot predict it

Why is there friction between objects

Acaterpillar tries to climb straight up a wall a meter high, but for every 2 cm up it climbs, it slides down 1 cm. eventually, it reaches the top. when it reaches the top, it does not pull itself over so it will slide down 1 cm. what is the total displacement traveled?

If the chemical properties of a substance remain unchanged and appearance or shape of a substance changes it is called a ?