I think the answer is that is lights up?
Answer:
It is gas. We need oxygen, and plants need carbon dioxide. The air is like a gas. Plasma is in electric and they're also a type of gas.
C. cells is your answer.
Cells are the most basic building blocks, in which a group of cells create a <em>tissue</em>, and a group of tissue creates an <em>organ</em>.
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I think it’s B) Molecules
I searched it up
<span>Fluoride is the element that is added to city water supplies and toothpastes to prevent tooth decay. According to research, fluoride helps to prevent tooth decay as it can reduce cavities by 24% and by boosting the production of saliva. Saliva helps to protect the tooth enamel by providing high levels of calcium and phosphate ions to the surface of the tooth.</span>
