Environment & Ecology · Coral Reefs
In which geographic environments do reef-building corals primary grow, and what chemical substance do they secrete to form reefs?
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 1Temperate oceans; Calcium silicate
- 2Deep abyssal plains; Sodium chloride
- 3Tropical oceans; Calcium carbonate✓
- 4Polar regions; Magnesium sulphate
Correct answer
Tropical oceans; Calcium carbonate
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