Natural selection is the process by which some organisms are better adapted than others and survive and reproduce more successfully
Answer:
contains more fluid
Explanation:
The fluid content of the dentin tubules varies by depth, with superficial dentin containing the lowest fluid content and deeper dentin, ie, dentin closest to the pulp, containing more fluid. The amount of collagen in dentin decreases from superficial to deep dentin.
DNA synthesis or DNA replication
