The _____ at the North and South Poles are already melting.
Sharks are at the top of the ________
The rubbish floats on the ____________of the water
The soil has been damaged by _____.
There is lots of _______floating around in the oceans
Fish swallow small _____of plastic.
Eating fish is good for us because there are a lot of valuable_______ in it.
You can only swim at this beach when the________ is in.
They are trying to ______the pollutants from the sea
We should all to ____ as much waste as possible
If global warming continues , then _______ will continue to rise
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