"From 10AM to 4PM are the most dangerous hours for exposure to the sun."
The first two don't make any sense. As for SPF, the FDA minimum is 15 but the recommended minimum is 30. 10AM-4PM are the peak sunlight hours, generally (unless you live in Antarctica of course).
This is what the protons in the element sodium looks like
Washing your hand before every procedure; C
The correct answers would be, Environmental, Epigenetic, Switches.
Explanation:
Individuals who acquire a health condition with no prior family history of that condition may have had exposure to an Environmental factor that caused an Epigenetic Mutation. These Mutations alter the chemical switches that turn the genes on or off.
The physical structure of the DNA is changed or altered by the Epigenetic Mutation. For example the DNA methylation, which is an addition to the methyl group, and prevents specific genes from being expressed.
Learn more about Epigenetic Mutation at:
brainly.com/question/13035912
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