Answer:
C
Explanation:
If you have more than one variable then you wont know which variable caused the change. Hope this helped, if it did give it a thanks or whatever.
1. Objective
2. Objective
3. Opinionated
4. Objective
5. Opinionated
6. Opinionated
7. Objective
8. Opinionated
Answer:
A. Pollen, stigma, pollination
Explanation:
Hormones
The endocrine system includes various glands in the body that are responsible for secreting hormones into the bloodstream. Hormones are chemical substances produced by the body that regulate certain functions of cells and organs. Hormones can regulate sleep, sex, growth, stress, huger, metabolism, etc.