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.

an adaptation is a change or process by which an organism takes to be better suited for its environment. for example; migration is a behavioral adaptation, this is needed because birds are not built to last extremely cold climates. there are different adaptations because there are different species needing to adjust to different things, bears don't migrate; they hibernate.

b brown mice / white sand dunes