Anyone help please help I’m in summer school in this due tomorrow

Which of the four major uses is predicted to change the least by 2020?

Aperson is outside exercising. body temperature begins to rise, and the person starts to sweat. their body temperature then returns to normal, and the body stops sweating. a positive b negative c allosteric d homeopathic

Nh3 +02-no + h20 is unbalanced what is the balanced equation