In chemical formulas, subscripts a.)indicate the number of molecules b.)indicate the number of elements c)indicate the number of atoms d.)indicate the number of chemical symbols

C)indicate the number of atoms

Explanation:

In chemical formulas, subscripts are used to indicate the number of atoms.

A molecular formula makes use of subscripts to indicate the number of different atoms in a compound or a molecule.

the answer is b.) hydrogen bonds between bases.

he forelimbs below belong to four species that descended in a direct line from the ancestral mammal shown above. of the four descendants shown, which species most likely appeared earliest in evolutionary history?