Can you please help me i really need this grade

Music the height of a wave or the amount of the wave carries is the amplitude. a.air b.nodes c.speed d.energy

Which of the following statements about imprisonment rates in the united states is true? the united states imprisons people at a higher rate than russia, mexico, or canada. the united states imprisons people at a lower rate than russia or south africa, but higher than israel. the united states imprisons people at a lower rate than russia, mexico, or canada. russia, south africa, and mexico each imprison more people than the united states.

Which of the following best describes the reason the state department is interested in foreign exchange programs?