A scientist stated the following hypothesis:
If I change the temperature of water in a fish tank, it will affect fish breathing rate.
Identify the independent variable:

temperature of water

Explanation:

an independent variable is the value that can be changed or controlled in a given model, they provide the "input" which is modified by the model to change the "output". in this example, the temperature is changed, affecting the fish's breathing rate.

i was thinking 4.0 v hope this