Here's a problem to solve: Because water can hold a large amount of heat, which effect do oceans have on nearby land areas?

Among the 4 following options, which is the correct answer?

- A: They prevent rapid extreme temperature changes.
 
- B: They form high-pressure areas that cause magma currents.
 
- C: They provide the energy that triggers volcanic events.
 
- D: They lower the freezing point of fresh water.
 