Can someone solve c and d?

Several kinds of bears are found on earth. most bears are brown or black, but one type of bear, the polar bear, is white. what process led to this difference in fur color? explain your answer.

In which phase(s) do the molecules take the shape of the container?

What is the empirical formula of c6h18o3? ch3o c2h5o c2h6o c2h5o5