Which of the following is the best evidence (proof) that digestion involves a chemical change? A. The body produces substances that aid in digestion in the mouth (saliva) and stomach (acid)

B. The beginning and end amount are equal

C. Teeth break down food into smaller particles

D. The esophagus uses peristalsis to move the bolus down to the stomach.

interphase   is the cell cycle stage in which the cell acquires nutrients, creates and uses proteins and other molecules and starts the process of cell division by replicating the dna. it is the longest stage in the eukaryote cell cycle.

the following   can go wrong during interphase:   a base pair could be mismatched during the duplication process causing a mutation.   correct answer: c

explanation:

the answer is true when observing or determining population size, a direct observation is use, in which each organism is counted in a population or in an area. one benefit of this measure is that you get the exact population count but it will take a long time to  determine  the  size  of a  population.