This is false. There are many factors, like climate, fires, pollution, etc.
Epithelial, muscle, connective, nerve and blood.
Answer:
Streptococcus mutans.
Explanation:
Streptococcus mutans is the bacteria (it is still a microorganism) that predominatly causes tooth decay. It is present in all areas of the mouth.
Answer: B. Osmosis Across a Membrane
The movement of water across a gradient is called osmosis.