What is the density of all the layers of earth? thx if u

Which of the following planets is classified as a terrestrial planet? a. neptune b. venus c. saturn d. jupiter

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.

What are the similarities and differences in the way geologists and biologists approximate the age of the earth? justify your response in two or more complete sentences.