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Our Blue Planet
Revisit our last expedition and test your knowledge!
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了解详情
How many different oceans are there on Earth?
1 分
您的回答
What percentage of the oxygen we breathe is produced by the oceans?
1 分
10%
30%
50%
70%
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What percentage of the Earth's surface is covered by oceans?
1 分
31%
51%
71%
91%
What is the name of the largest ocean on Earth?
1 分
您的回答
What percentage of our oceans have been explored by humans?
1 分
选择
5%
15%
25%
35%
What is the name of the deepest known area of the Earth's oceans?
1 分
The Challenger Trench
The Japan Trench
The Tonga Trench
The Mariana Trench
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Which ocean is home to polar bears, who live and hunt on the ice?
1 分
Pacific ocean
Atlantic ocean
Arctic ocean
Southern ocean
Which ocean is home to Emperor penguins, seals and many whale species?
1 分
选择
Southern ocean
Arctic ocean
Atlantic ocean
Pacific ocean
Why is plastic pollution in the Earth's oceans harming marine life?
1 分
Plastic causes marine animals' habitats to look untidy.
Plastic makes it more difficult for marine life to swim through the water.
Plastic is often ingested by marine life and can trap or injure them.
Plastic from the ocean often ends up on beaches.
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How many pieces of plastic are entering the oceans every single day?
1 分
One thousand
Eight thousand
One million
Eight million
What is single use plastic?
1 分
Plastic that can be used more than once.
Plastic that is made in one colour.
Plastic that can be recycled.
Plastic that is used once and then thrown away.
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What is the average useful lifespan of single use plastic?
1 分
12 minutes
20 minutes
2 hours
1 day
How can microplastics in the ocean affect the human food chain?
1 分
Microplastics do not affect the human food chain.
Fish ingest the microplastics and then humans eat the fish.
Humans can swallow microplastics when swimming in the ocean.
There are no such things as microplastics.
Which word is used to describe plastic material that does not decompose (break down) by natural processes?
1 分
您的回答
Is it true or false that almost every piece of plastic that has ever been produced, and thrown away, still exists somewhere on the Earth today?
1 分
True
False
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