Yes. It is a mechanical process.
Answer:
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Explanation:
Answer:
Considering the formation of sedimentary rocks, the fossils in layer C are the oldest. Sedimentary rocks form in layers, with the oldest rock at the bottom. So, the fossils in layers A and B are newer than the ones in layer C. The fossils in layer A are the newest fossils
Explanation:
Polypeptide chains consist of monomers called amino acids. There are 20 types of amino acids that are usually able to create peptides and proteins.
Independent variable: is the UV light exposure
Control group: people not exposed (sample b)
Dependent variable: skin cancer
Experimental group: (sample A)