Approximately how many genes do humans have?

a. 1
b. 2
c. 5
d. 1

in a chemical reaction, the atoms and molecules produced by the reaction are called products. no new atoms are created, and no atoms are destroyed. in a chemical reaction, reactants contact each other, bonds between atoms in the reactants are broken, and atoms rearrange and form new bonds to make the products.

to this one it would be receptive field