Differences of sound waves and light waves GIVE ATLEAST TWO EXAMPLE ON EACH WAVES

I’m doing some practice exam questions for biology, and i’m not sure how to do these 3 parts to the question.

What is the following best defines climate?

Define the apical impulse and describe its normal location, size, and duration. which abnormal conditions may affect the location of the apical impulse? explain the mechanism producing normal first and second heart sounds. describe the effect of respiration on the heart sounds. describe the characteristics of the first heart sound and its intensity at the apex of the heart and at the base. describe the characteristics of the second heart sound and its intensity at the apex of the heart and at the base.