Which of the following does not supply a context clue? A. Learning disabilities, such as ADD and dyslexia, are
disorders that affect people's ability to learn.
B. Learning disabilities are very common and can be
very frustrating for the learner.
C. Learning disabilities are disorders that affect
people's ability to learn.
D. Learning disabilities, such as ADD and dyslexia, are
very common

Oceans produce approximately 80 percent of the oxygen our planet needs to support animal life. pollution that reaches the ocean through dumping, oil leaks, runoff, and other processes interferes with that oxygen production and poses a real threat to the oxygen content in our atmosphere. if the oxygen content decreases, it is likely that carbon dioxide will increase. this could have dramatic consequences for life as we know it. which does this passage indicate causes a decrease of oxygen in the atmosphere?