Answer:
D.)
Explanation:
Water, also known as H2O in chemistry, is a chemical substance.
Water vapor is the gas form of water, also known as the effect of evaporation. Ice is made up of water as well. It is the frozen version of water, or it other terms, the solid form of it.
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Stable isotopes are not radioactive nor dangerous.
Unstable isostopes are radioactive and have different mass of the element.
Contains DNA, contains ribosomes, lacks a nucleus