What is the BEST description of the process that occurs in the starter to give sourdough bread its famous tangy flavor? A. Citric acid is produced in the citric acid cycle as the starter undergoes fermentation.
B. Lactic acid is produced from lactobacilli as the starter undergoes fermentation.
C. Acetic acid is formed from the enzymatic oxidation of ethyl alcohol as the starter undergoes fermentation.
D. Pyruvic acid is produced from the enzymatic reduction of glucose as the starter undergoes fermentation.

Select the correct answer. which of the following statements is a scientific claim? a. the early solar system had large amounts of water; so, the oldest objects in the solar system should also be abundant in water. b. the mass of the universe is much greater than current models predict; it is not possible to explain this inconsistency. c. planet earth is abundant in water, but there is no way to scientifically determine from where earth's water originated. d. earth is shaped like a sphere even if not all of the scientific observations related to its shape support this idea.