The dependant variable would be the salmon, because they depend on the water and pollution levels to give a result.
Organisms that eat they producers or that don't make their own food
Limiting factors determine the carrying capacity Hope this helps :)
Answer:
These spheres are closely connected. For example, many birds (biosphere) fly through the air (atmosphere), while water (hydrosphere) often flows through the soil (lithosphere). In fact, the spheres are so closely connected that a change in one sphere often results in a change in one or more of the other spheres.
Explanation:
i hope this helped
