Yo can you pls answer this for homeboy If a schoolyard is kept open for public play, what is most likely to happen? (1 point)

a. The schoolyard will fall into dangerous disrepair
b. The community children will be physically active
c. The local police will have more work to do
d. The teachers will have to stay on campus all day

What is friction? how does it affect the motion of an object?

Which of the following best describes internal energy? a. the difference between the kinetic and potential energies of the particles in a system b. the sum of the kinetic and potential energies of the particles in a system c. the sum of the kinetic and thermal energies of the particles in a system d. the difference between the kinetic and thermal energies of the particles in a system

What quantity do units represent in value