Final answer:
The destruction of many of the world's corals within the next forty years is the most likely scenario due to environmental threats and human activities.
Explanation:
Many of the world's corals will be destroyed seems most likely to happen within the next forty years. Corals are highly sensitive to environmental changes, such as rising sea temperatures and ocean acidification, leading to widespread bleaching and eventual death of coral reefs globally. The impact of human activities, such as pollution and overfishing, further exacerbates the decline of coral reefs.
Learn more about Coral Reef Degradation here:
https://brainly.com/question/15283754