Use of Language

Choose the correct option.

Stop the 1. chain / contamination / marine of our oceans and 2. coastlines / food chain / plankton!

Why do we need to do something?

3. plankton / tide / seabed live in oceans, below the surface of the water. They are an important source of food for 4. forest / urban / marine life. Not only are they an essential part of the food 5. tide / reef / chain, but they also create oxygen. 6. coral / tide / coastline reefs also need plankton to survive. They grow in areas with strong ocean 7. currents / contamination / tide that carry the plankton to them.

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