What does it mean when a compound’s chemical formula does not include any numbers? a. there are only single bonds in the molecule. b. there is only one atom of each element. c. all the atoms have double bonds. d. the molecule does not have any bonds.

B

Explanation:

This number that is put in a compound is called a subscript. It is put in front of the symbol of the element being represented. An example is CO₂ which means there are one (1) carbon and two (2) oxygen atoms in the compound.

the correct answer, according to e2020, is the second choice there is an occluded front in region a and a cold front in region b.

thats not even an aswer choice