No, this statement describes the phenomenon of coral bleaching instead of just explaining why or how it occurs. The first option.
What is coral bleaching?
Coral bleaching is a phenomenon whereby corals expel the algae they are housing due to being stressed, usually due to warm water temperatures.
The statement of how coral bleaching occurs cannot be considered a scientific law. Scientific laws are generalized observations that have been found to be true against a wide range of phenomena.
Scientific laws are established based on the scientific methods and reproducibility of results from scientific research.
The statement of coral bleaching is rather a fact. Scientific facts are observations that have been established to be true. Coral bleaching is what has been witnessed several times.
More on coral bleaching can be found here: https://brainly.com/question/15014189
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