What type of arrangement and motion do particles in a liquid have?
a. particles are closely packed together & vibrating.
b. particles are not in contact with each other and are moving very quickly.
c. particles are in contact with each other, but they are able to slip past one another.
d. particles are not in the contact with one another and are moving at extreme speeds.

C.  Particles are in contact with each other, but they are able to slip past one another.

Explanation:

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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.