Depending on what you want out of life. Life in its self is full of choices and science is a theory among most things and knowing these theory and proven facts can make you look like a smarter person and give off the image to other “dang he is a great person” so one could say.
B) It's known as a Fault. That's why they say "Don't drill on a fault line," because when fault lines move they cause earthquakes, and other occurrences.
