I think what your answer is would be Amphibians? I could be wrong.
Hope this Helps! :)
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.
G. cause if you just do a ratio everything adds up.
White blood cells are made in the bone marrow. They are stored in your blood and lymph tissues. They help the body fight infection and other diseases.