Oceans Have Absorbed Approximately One-Third of the Excess Carbon Dioxide

Multiple Choice

Oceans have absorbed approximately one-third of the excess carbon dioxide that humans have added to Earthʹs atmosphere so far. This has slowed the progression of global climate change, but it has led to ________________.

A) a decrease in the pH (ocean acidification)
B) loss of oxygen from the oceans
C) increases in growth of coral reefs
D) an increase in the pH of the worldʹs oceans
E) growth of oyster populations worldwide