Water near the equator is warmer than water at the poles. Which sentence explains why? A. Deep-sea vents pump steam into oceans unevenly.
B. Upwellings spew warm water toward the equator.
C. The sun heats Earth and its oceans unevenly.
D. Dense, salty water tends to hold more heat.

dense,salty water tends to hold more heat

they have identical fossils of organisms that have evolved over time.

both have animal fossils preserved in them due to weathering and erosion.

they contain different fossils because life on earth has changed through time.

the fossils in them were formed on the surface of earth due to exposure to sunlight.