What causes growth?
Cancer. bushes Roundworms bamboo hormones Earthworms collagen Proteins
A B C D E F G H
Cancer is an uncontrolled cell division.
Cancer often causes growth.
What causes growth? (A) Cancer. (B) bushes (C) Roundworms (D) bamboo (E) hormones (F) Earthworms (G) collagen (H) Proteins