Coral bleaching occurs when the reef-building animals release beneficial algae that live in their skin. Without the colorful algae, the coral reef looks white, or bleached.

What causes coral bleaching to occur?

high concentrations of sulfur
competition from other invertebrates
decreasing ocean temperatures
increasing ocean temperatures

Question

Coral bleaching occurs when the reef-building animals release beneficial algae that live in their skin. Without the colorful algae, the coral reef looks white, or bleached.

What causes coral bleaching to occur?

    high concentrations of sulfur
    competition from other invertebrates
    decreasing ocean temperatures
    increasing ocean temperatures

anonymous · Answer

high concentrations of sulfur :)

anonymous · Answer

your welcome btw..do i get a medal

anonymous · Answer

its increasing ocean temperatures