The surface area of earth is 510 ✕ 106 km2, and 71% of this is ocean. using the data from the sample exercise, calculate the average depth of the world's oceans in feet.

How do ocean currents affect temperature? check all that apply. they carry cold water from the poles to the equator and cool air over land. they flow north and then south below the equator. they flow south and then north above the equator. they move warm water from the equator to the poles and heat air over land. they move east to west and create prevailing winds. they move west to east and create seasonal winds.

As water is cooled from 4 c to 0 c its density

What are some of the impacts of humans on the earth?