Sweat, mucus, tears, and saliva all contain enzymes that kill pathogens.
When the continents are at the Earths poles, they receive less sunlight.
When a doctor refuses to care for a certain patient. This can be for numerous reasons, maybe they are not fit to undergo a surgery of some sort, or are being problematic. Either or the doctor nor the patient benefit form this. Doctor misses out on someone to help (i assume that’s the attitude of one working for the greater good) and the patient misses the opportunity to possibly get the help they need.
6CO^2 + 6H2O—->sunlight C6H12O6+6O2
