How does pollution travel from a river to the ocean? a) pollution flows upstream toward the ocean

b) pollution flows downstream toward the ocean

c) pollution flows toward the bank of a river and then to the ocean

d) pollution flows toward the source of a river

d

Explanation:

it is called the mitotic spindle

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.