Answer:
1. A
2. B
3. A or D
4. C
5. B
6. B
7.A
8. D
9. B
10. C
11. B
12. B
Explanation:
I answered these to what MY teacher taught me. Curriculums are different in each state.
In a study, the independent variable is the thing that you change to see how the change produces different results. In this study, the independent variable would be the use of nicotine.
D is the answer because i took the same test and got it right
Answer:
proteins nutrient is used to build and maintain all of the cells and tissues in the body...
I hope it helps !!
