B. Krill
I hope this will help you that is the correct answer
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I know that they are hunted with Whale oil
Her body compensate for imbalance by Kidney retain bicarbonate ions .An increase in hydrogen ion in the body causes the kidney excrete more acid.These lowers the PH of the blood since hydrogen ion are increased while bicarbonate ion are decreased
The most consistent way to obtain information about the evolution of species is to look at the fossil record. Another is to observe the differences between species currently on earth. Another is to use carbon dating.