Which of the following statements about biogeochemical cycles is true?
a.
biogeochemical cycles are cycles involving only nonliving components.
b.
the rock cycle is a biogeochemical cycle.
c.
biogeochemical cycles are not an important part of the earth system.
d.
carbon, nitrogen, and oxygen cycles are biogeochemical cycles.
c?

i would have a lunch. it's one big package of food, making it one food. : p

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.