Sagot :
❌1. Using synthetic fertilizers can harm estuaries.
✔2. Factories are threats to intertidal zones.
✔3. Palnting mangrove in the shorelines can protect the estuaries and intertidal zones.
❌4. Using motorized vehicles near coral reefs is good for corals.
✔5. Coastal clean up in one way of conserving our marine life.