
The 2 in front of
in
is <u>Coefficient.</u>
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The
after
in the same equation is <u>sub </u><u>script</u><u>.</u>
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There are two atoms of
in 
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Organic chemical compounds as recommended by the (IUPAC)
Answer:
There will be a critical shortage. -In garden, water plants early in the morning or in the evening.
It’s a synthesis reaction, which is when 2 or more substances react to form a single product.
I hope this helps