Oceans Flashcards
How much of the world’s oxygen is produced by the ocean?
Over half
How much more of the world’s carbon dioxide is absorbed by the ocean then the atmosphere?
50 times.
How much of the earths surface is covered by water?
70%
How does the ocean regulate climate and weather patterns?
The ocean transports heat from the equator to the poles; regulating our climate and weather patterns.
Why is it difficult to get to the bottom of the ocean?
There is no sunlight, oxygen levels are low, temperature is virtually freezing and water pressure.
What is the deepest point on earth?
Challenger deep in the Mariana trench (10,971 meters deep). It is located in the Pacific ocean.
What are the 5 oceans?
Pacific, Arctic, Atlantic, Southern and Indian oceans.
What does biodiversity mean?
Thousands of species.
What does stewardship mean?
Responsible management to ensure benefits are passed on to future generations.
Why do people live near oceans?
Trade, employment, fishing, weather, beaches and shipping.
What is over-fishing?
Depleting the stock of fish by excessive fishing.
