Which of the following statements are true? Wave height is the distance from its highest point (crest) to its lowest point (trough). Wave length is the distance from crest to crest. Wave oscillation to calculated by multiplying the wave height times its length. Both the first and second answers are correct.

Which seasons are the northern and southern hemispheres experiencing in the image? it is summer in both the northern and southern hemispheres. it is summer in the northern hemisphere and winter in the southern hemisphere. it is winter in both the northern and southern hemispheres. it is winter in the northern hemisphere and summer in the southern hemisphere.

Which is not a source of noise pollution? a)airplanes b)acid rain c)machines d)cars

Aman throws a football straight into the air. as it rises, it slows down. which type of energy is the football gaining?