The answer is God and will always be God evolution has been continuosly proven to be flawed and just incorrect, I really dont know why they continue to teach it.
I believe it's A. because the bone matrix is where it goes, therefore the bone matrix is already there. it just maintains it
The correct answer is A. a substance that is alkaline
The answer is a rod or laser line is inserted into the wound or bullet hole and points to the direction of the shooter.
