Seafloor Sediments Are Very Important in Discovering Paleoclimate Because They________

Seafloor sediments are very important in discovering paleoclimate because they________ .

A) show a record of temperature in the oceans, which can then be correlated to the temperature of the atmosphere
B) contain meteorites that show when the climate had a drastic fluctuation
C) contain the remains of organisms whose numbers and types vary with changing climate
D) all of the above