The machine is making less liquid oxygen than normal. What is wrong? Reflect on the claims and the evidence you examined today. At this point, which claim do you think is best supported by the evidence? (check one)
Claim 1: There is frozen water in tank 2, which is blocking some of the oxygen from going into tank 3.
Claim 2: Some of the liquid oxygen evaporated in tank 3. Claim 3: Some of the oxygen didn’t condense in tank 2.