What is a gyre?
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1 point
A. A SMALL concentrated system of circulating ocean currents.
B. A LARGE circular current that threads through the world's oceans.
C. Large WATER SPOUTS that transfer moisture into the atmosphere.
B. A LARGE circular current that threads through the world's oceans.
According to Marcus Erikson, a plastic bottle leaving California will go all the way to Japan in ____ and then possibly go back across the Pacific Ocean
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1 point
A. 3 - 5 weeks
B. 3 - 5 days
C. 3 - 5 years
D. 3 -5 decades
C. 3 - 5 years
Scientists first discovered the "Great Pacific Garbage Patch" in 1990, when 61,000 _____ washed into the Pacific Ocean and got stuck in a vortex.
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1 point
A. sneakers
B. water bottles
C. swim kick boards
D. car tires
D. car tires
4. Captain Charles Moore was doing transects (mapping of an area) and he estimated the "Garbage Patch" was roughly twice the size of ______.
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1 point
A. California
B. Japan
C. Hawaii
D. Texas
A. California
Why are gyres important when thinking about trash in the ocean?
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1 point
A. It creates a circle where the trash concentrates and is flushed to the ocean BOTTOM.
B. It creates SMALL whirlpools where the trash concentrates.
C. It creates a HUGE circle where the trash concentrates and can’t move out.
C. It creates a HUGE circle where the trash concentrates and can’t move out.
All the plastic produced since 1950, is probably _____.
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1 point
A. completely degraded
B. still here
C. recycled
D. in a warehouse