directions: Mark check if the statement is correct and (x) if wrong.
1. Using synthetic fertilizers can harm estuaries.

2. Factories are threats to intertidal zones.

3. Planting mangroves in the shorelines can protect the estuaries and intertidal zones.

4. Using motorized vehicles near coral reefs is good for corals.

5. Using dynamite in fishing.

6. Coastal clean up is one way of conserving our marine life.


pls help me​