Answer:

Restore damaged ecosystems by planting trees on land where forests have been cut down. Encourage people to live in a way that doesn't hurt the environment. Establish parks to protect rainforests and wildlife. Support companies that operate in ways that minimize damage to the environment.

1. Conserve water – the less water you use, the less runoff and wastewater will pollute our oceans.

2. Use only ecological or organic fertilizers in your gardens and on your lawns. Chemicals and pesticides flow into the water system, pollute the ocean, and can travel on ocean currents at great distances, doing harm to coral reefs and other sea life.

3.Help protect Biak Island from storm-surges and sea-level rise.

4.Create a habitat for threatened species.

Explanation:

1-2:how to protect coral reefs.

3-4:how to protect mangrove swaps.