Answer:
Decidable approach
Explanation:they need to make sure how to approach
Answer:
1.You can identify a fossil by determining it's age by comparing it to similar fossils.
2. You can measure the decay of isotopes within the fossil
Explanation:
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3) a
due to how the nucleus makes up cell chromosomes as to multiplying and etc
I think the correct answer from the choices listed above is option B. Keratin is the protein in mammals which shows only a primary and secondary structure. Keratin is a fibrous protein forming the structural constituent of hair, feathers, hoofs, claws and many others.