Which one of these statements is/are true: i. all redox reactions with positive emfs are spontaneous. ii. if a redox reaction is spontaneous, it must be fast. iii. a spontaneous redox reaction will have a cathode reaction that has a more negative reduction potential than the anode.

Aresearch institute poll asked respondents if they felt vulnerable to identity theft. in the poll, n=1085 and x=528 who said “yes”. use 90% confidence level

Anna’s mother prepares sauerkraut, a fermented dish made from finely cut cabbage and salt. lactobacillus bacteria present on the surface of the cabbage combine with salt to turn the cabbage into a crunchy, sour dish. what chemical process occurs to create this dish? a. alcoholic fermentation b. cellular respiration c. conservation d. lactic acid fermentation e. photosynthesis

The graph shows the populations of two species over time. which type of symbiotic relationship does the graph represent? a. commensal b. mutualistic c. parasitic d. parent-offspring e. predator-prey