Either tell someone or wash your hands with soap immediately
Two things that are harmful
Physical and chemical changes are harmful to us.
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They are harmful to living things because they are higher energy waves.
Two things the earth atmosphere keeps out are: Harmful radiation and Space debris
Caffeine is in the category of things that are not harmful when used in moderation. There are even studies that report one or two cups a day is healthy for you. But, in large quantities it is harmful.
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The chemical composition is not changed.
The chemical composition is not changed.
Scientist combine the symbols for different elements when they write chemical formulas.
protect you from the suns harmful rays and keep your muscles from showing.
Radiation and sense of touch which is the receptors of our hands feeling things close to us