When waves travel through water, why do the moving water particles continue to return to their starting position?
OA Waves transfer matter, but not energy.
OB. Waves transfer both matter and energy
oc Waves transfer energy, but not matter.
OD. Waves don't transfer matter or energy.

Football was the fourth deadliest sport with a fatality rate of .81 per 100,000 participants. cheerleading, which has been shown to be the most dangerous activity based on injury data, was not included in the study because it was not classified as a sport.this is my answer because it didn’t give me any sports

The center is basically the heart of it

Ibelieve the correct answer would be c.

Answer(a)   the matererials that are in contact, the two materials and the nature of their surfaces/// (b)/// the force pushing the two surfaces together, pushing the surfaces together causes the more of the asperities to come together and increases the surface area in contact with each other