One positive choice someone can make to help their health would be to exercise if you are overweight. One negative choice someone can make that can worsen their health would be drinking any alcohol. Exercising when overweight can help your health by decreasing chances of heart diseases and drinking any alcohol to an excessive extent can harm your liver which can lead to death or a journey of pain and complications.
Two things required are water(H2O), carbon dioxide (CO2), and chlorophyll
The answer, I believe, is all of the above.
Hope this helps!!
Answer:
2 KClO³ ------ 2KCl + 3O2
