Handwashing prevents the spread of germs.
Meaning: This sentence is saying that cleaning your hands with soap and water stops tiny living things that can cause illness from moving from one place to another.
Choice of Words: Handwashing refers to the act of cleaning your hands with soap and water. Prevents means to stop something from happening. Spread means to move or distribute something over a wide area. Germs are tiny living things that can cause illness.
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