Answer:is there a graph or is it multiply question
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Answer:
They teach you the purpose of condoms (or you learn the hard way.)
how to prevent stds
Explanation:
That's all I can think of.
Answer:
At first, we should know their molecular formula and symbol. In case of element, symbols are written. But in case of compound, molecular formula is used. Also we should know their coefficient (number) to make the number of atoms either side equal.
See attached image for most common formula of sulfuric acid.
