STI stands for Sexually transmitted infection.
The reaction rate will increase because enzymes are catalysts. Therefore, they speed up a reaction
I think the answer is Inertia but that might be a different law of his. I’m not 100% sure
What would most likely reduce the bias present in Elias' experimental design would be to not ask just the members of his high school team to be the subjects because they represent a very specific group of people. It would be much better to use a random group of people and have them do the same thing.