Answer:
The new model came from more experiments and evidence.
Explanation:
As more research and better technology came out scientists were able to update to a more accurate model.
Evolutionary Medicine often called Darwinian Medicine is the application of evolutionary studies to medicine. The goal is to use evolutionary theory to better understand health and disease. The goal is to understand better why people get sick and not just how they get sick.
The answer is; a) they are naturally occurring.
A I think that is how lightning works anyways
I pretty sure it's the uterus