Coral reefs
A) require water that is high in sediment concentrations.
B) are made of animals living symbiotically with simple algae.
C) tend to occur poleward of 30° N/S.
D) survive in a broad ecological range because they are tolerant of temperature, salinity, and depth variations.
E) are found primarily in deep oceans.
B
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What will be an ideal response?
For each group of countries, discuss the risk factors that are primarily a consequence of human choice. Pick one of these factors, and describe how you might proceed to bring it under control in an appropriate country
What will be an ideal response?
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