The answer is the one about the school uniforms.
The correct answer is "Both authors state that coral reefs are polluting the ocean floor". That is the statement that is not true.
The rest of the statements are true:
1 - Both authors state that coral reefs are threatened.
(author 1) due to enviromental causes such us light, temperature, etc.
(author 2) little has been done to proctect them
2 - Both authors suggest that something must be done to save the reefs
(author 1) if the problem continues there will not be a suitable home for sea life
(author 2) establishing more parks would help
3 - Both authors suggest that coral reefs are fragile.
(author 1) states that the coral reefs fall apart
(author 2) says that they have a fragile enviroment
