Covalent Bonds hold together atoms within a molecule
Answer:
Explanation:
Option D: <u><em>Increasing the mass by sitting people inside</em></u>
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Answer:
A theory
Explanation:
A theory is an idea used to account for a situation or justify a course of action.
The correct answer is: A. A change in a cell's genetic material.
Mutations occur in DNA as a result of mistakes during the DNA replication (when repair mechanisms don’t fix it) or as the result of environmental factors (e.g. UV light). Mutations can have positive impact, by increasing the genetic variation or can have negative effect, causing the diseases or cancer.
Answer:
I guess membrane is answer
