14. Acid rain damages buildings 15. Ozone is the main component of photochemical

Question

14. Acid rain damages buildings 15. Ozone is the main component of photochemical smog 16. Nitrogen oxides are the main component of acid rain 17. The US produces 50% of the world's greenhouse gases 18. Bacteria may be gram positive or gram negative 19. Salmonella bacteria cause yellow fever 20. Irradiation causes food to be radioactive Section 2 1. Which of the following is not a protozoa (a) endameba histolytica (b) Giardia intestinales (c) Salmonella (d) Cryptosporidium parvum All of the following are water disinfectants except 2. (a) carbon monoxide (b) chlorine (c) ozone (d) UV radiation SNial epaitis A is spread try

Explanation / Answer

Answer:

14. T (True)

15.  T (True)

16.  T (True)

17. F (False)

18.  T (True)

19. F (False)

20. F (False)

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