Answer:
White shark bites, parasites, food availability, habitat degradation are among some of the contributing factors threatening the recovery of the species. The greatest threat to a sea otter is the oil spills.
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Extra - Fun fact - Sea otters play a vital role in the health and stability of the nearshore marine ecosystem as a keystone species.
<span>C. Frogs will have brain damage if exposed to both brown sugar and regular sugar.</span>
Answer:
The sample mean is obviously different from the population mean, but tests of significance must be done to determine if the difference is statistically significant. The difference could possibly be attributed to chance or to sampling error.
Explanation:
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