Which statement is a fact?

Coralline algae, sponges, and other organisms contribute to reef growth.
Coral reefs should be protected by environmental laws.
Coral reefs are the most diverse and beautiful of all marine habitats.
We should respect coral reef researchers like Thomas Goreau, who began working on coral reefs in the 1950s.

Question

Which statement is a fact?

Coralline algae, sponges, and other organisms contribute to reef growth.
Coral reefs should be protected by environmental laws.
Coral reefs are the most diverse and beautiful of all marine habitats.
We should respect coral reef researchers like Thomas Goreau, who began working on coral reefs in the 1950s.

love_ranaa · Answer

Coralline algae, sponges, and other organisms contribute to reef growth is a fact. The others are just opinions.