ACCORDING TO THE PASSAGE, WHY ARE SCIENTISTS CONCERNED ABOUT THE P...

67. According to the passage, why are scientists concerned about the population of California sea

otters?

A. It has been growing at too fast a rate.

B. Its growth rate has been steadily decreasing.

C. Its growth rate is not as fast as that of the Alaska sea otters.

D. It has been greatly reduced by oil spills and other forms of pollution.