How does the movement of the electrical impulse relate to the contraction of the chambers of the heart?

what have scientists found to be the most efficient and effective way to insert new sequences into an individual? a-scientists have created genetically altered foods that release dna during digestion. b-scientists use viruses to insert specific gene sequences. c-scientists irradiate genes so that they can be absorbed through the skin.

c

explanation:

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answer: collecting information/data

reason: the student is going around and asking people questions to collect data

i hope this