Marble is a nonfoliated rock that forms when heat and pressure change limestone. Marble is formed by evenly distributed pressure.
Answer: A) or the first option.
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The answer is B. Natural Selection
It's letter c i believe, because they need the DNA's instruction on how to copy the exact tissue copy.
The concentration of glucose outside the cell is higher than the concentration of glucose inside the cell, thus there is a concentration gradient. The molecules of glucose move randomly and there is a net movement from outside to the inside, down the concentration gradient.
