A fisherman collecting shellfish notices that many of them have holes or jagged edges around their shells. Which statement best explains what may have caused the holes and jagged edges of the shells? Coral bleaching
Ocean warming
Invasive species
Ocean acidification

it would lead to upper respiratory infections and pneumonia.

blue stars have the highest surface temp

stellar distances are usually expressed in light-years

the measure of a star's brightness is called magnitude

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evidence and logical support is essential for a scientist to do in order to maintain credibility. this is because no one can believe without any logic and without any evidence.hence a scientist can maintain credibility by proving himself and by answering logically so experiments prove very beneficial. logical hypothesis give conclusion which is acceptable. therefore, there are two main factors to maintain credibility by a scientist is evidence and logical support.