What is the depth of an ocean area if a sound pulse took 4 seconds to travel from the ship, to the bottom then back to the ship, and the speed of sound in this ocean area is 5,000 ft per second? Use the formula below:

Which phrases describe oxygen's roles in earth’s atmosphere? check all that apply. allows fuels to burn forms clouds that produce rain is the gas that animals breathe is used by plants to produce food forms ozone that absorbs the sun's harmful rays