The breathing rate is the dependent variable because it can be affected by varying weights.
P.S the answer was on quizlet
A bacteria cell differs from a plant or animal cell by being less complex in structure.
When you take water from tank A then tank A salinity would not be less or higher so option A and B are out. The answer is depends on the relative salinity of tank A to tank B.
Assuming the tank A salinity is higher than B, then the tank B salinity will also become higher.
Answer: <span>d.the salinity in Tank B would be higher</span>