Through Polymerization larger molecules are formed.
Among the pre-historic species associated with the LA BERA TA PITS are pleitocene ,dire wolves ,short faced bears, ground sloths, and the stste fossil of california, the saber-toothed cap..... i hope it will help you.... :)
Answer:
first and third one
Explanation:
animals need the oxygen they make. and animals eat the plants. if an animal doesnt eat plants it eats somthing that does. sorry for the typos.