Please choose the correct ending to complete the given sentence: Pets and Animals: [header] How to protect coral reefs [title] Avoid striking or touching a coral reef. [step] Running your boat into a coral reef can cause it serious damage. Protecting coral reefs depends on what experts call proper " vessel management.

Ending1: " first, what triggers a reef outbreak usually involves ionization (which will quickly fry any intact reef clam at the bottom of the water). The postool, sometimes called " nucleus ", is passed through seawater and is passed through the air tank as gas. Ending2: " understand where coral reefs are so your boat doesn't strike them, even incidentally. People can also damage coral reefs simply by touching them. Ending3: " " ship management " means the foremost concern is the ship sailing within the reef. Without a vessel's hull, the coral reef can be difficult to properly protect itself. Ending4: " few places on the island or country in north america are known for having " boat management " focused on coral reefs. Each island is certified by the national oceanography association (niaca).

Answer format: ending1/ending2/ending3/ending4