Habsocojbaajicj siaix Dow so I traits are cool
A neuron transmits information in the form of electrochemical changes, otherwise known as nervous impulses, through neurotransmitters. Hope it helps!
It gets polluted from fertilizers or any spilled chemicals. And those chemicals get obsorbed into the ground. And the gravity pushes them deeper in the soil, till it reaches the underground water (or aquifer)
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.