D must travel through a medium is your answer
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Answer:
No
Explanation:
Viruses are not made out of cells. A single virus particle is known as a virion, and is made up of a set of genes bundled within a protective protein shell called a capsid. Certain virus strains will have an extra membrane (lipid bilayer) surrounding it called an envelope.
I believe the answer to this is The wave pushes the water particles forward.
Answer: water
Explanation: Water is everywhere and required to survive, so water would be the most abundant compound.
