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.
Really high temperatures cause the enzyme to denature.
When scientists try to use the explanation of the natural world to understand patterns, they are making PREDICTIONS about natural events. For example, volcanic eruptions.