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All four of India’s coral reef zones bleached simultaneously in 2024. What does this pattern suggest about the cause?

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1. All four of India’s coral reef zones bleached simultaneously in 2024. What does this pattern suggest about the cause?

A single local pollution source affecting only one reef

A shared regional cause, like rising sea-surface temperature, rather than a local threat

Coral bleaching only affects the Andaman Islands

The bleaching was caused entirely by overfishing

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