Cells divide for many reasons. For example, when you skin your knee, cells divide to replace old, dead, or damaged cells. Cells also divide so living things can grow. ... Organisms grow because cells are dividing to produce more and more cells.
Because of the soil the rocks are in. If They stayed in that soil for a while which affected the compounds, shifting the mineral composition.
Question 3. Answer is A. Luster
Question 4. Answer is B. False
Question 5. Answer is B. Vitreous Luster
Question 6. Answer is A. Calcite
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<span>thinning of the epidermis and decline of the protein elastin</span>
This is because of natural selection; since polar bears live in a rough environment, natural selection gives them more fur, more muscle, and can go longer without food
