Please help due today

Why is citrate not available for micro collection?

What causes fermentation a. antibodies b. antigens c. microorganisms d. antibiotics

Jim and phil are changing the oil in jim’s car. jim is trying to remember all the actions involved in changing the oil. phil is trying to remember the first time he ever changed the oil in his car. jim is trying to recall a memory and phil is trying to recall a(n) memory.