The swimmer in the pool is making waves when he swims. Choose two sentences that describe both the swimmer’s waves and the waves the worker makes when he hammers on a ladder. Write the letters of the correct answers on the line at left. Pl

Energy is transferred from one place to another in the form of waves. Waves has two parts i.e. crest and trough.

Explanation:

Energy is transferred from one place to another in the form of waves. Waves has two parts, the highest part of a wave is called the crest, whereas the lowest part is called trough. The distance between the crest and the trough of a wave is known as wave height. When we drop something in the water, waves are produced having high crest and trough means high wave length whereas waves produced on the solid body has low crest and trough means low wave height.

c, liquids evaporate, creating a gas