The body is protected against harmful flu viruses by
(1) red blood cells and hormones
(2) white blood cells and antibodies
(3) white blood cells and enzymes
(4) red blood cells and antibodies

white blood cells and antibodies

Explanation:White blood cells include lymphocytes (such as B-cells, T-cells and natural killer cells), and many other types of immune cells.

yes i have all the correct answers

1. c 6. b. 11. c

2. a 7. d. 12. d

3. c 8. b. 13. c

4. d 9. c. 14. d

5. c 10. d. 15. a

16. d. 21. a

17. d.

18. a. 22-30 you must do on

19. d. your own

20. d.

idk what the options are but

these is a strong electrostatic attraction between the ions hence a lot of energy is needed to overcome this attraction

this is why the boiling points are so high