PADI Divemaster Certification 2025 – 400 Free Practice Questions to Pass the Exam

Question: 1 / 480

Which statement about the oceans is true regarding the distribution of heat?

Oceans only cool the planet

Oceans have no role in temperature regulation

Oceans distribute heat across the globe

The statement that oceans distribute heat across the globe is accurate because the oceans play a critical role in regulating Earth’s climate by absorbing, storing, and transporting heat. This occurs through various processes such as ocean currents, which move warm water from the equator towards the poles and cold water from the poles back toward the equator. These currents help moderate temperatures on land and contribute to weather patterns, influencing climate stability.

Oceans cover a significant portion of the Earth's surface and act as a massive climate control system, with their vast water volumes capable of absorbing large amounts of heat. This heat distribution is evident in phenomena such as El Niño and La Niña, which affect weather patterns globally due to changes in ocean temperatures. Without this heat distribution, many regions would experience extreme temperatures that could destabilize ecosystems and human communities alike.

The incorrect options reflect misunderstandings about the oceans' role. The assertion that oceans only cool the planet overlooks their ability to store and redistribute heat. Saying oceans have no role in temperature regulation ignores their crucial function in climate systems. Lastly, the claim that oceans primarily absorb cold air misrepresents how oceans interact with the atmosphere; rather than absorbing cold air, they primarily absorb heat and then release it, impacting air temperatures above.

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Oceans primarily absorb cold air

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