Question

what does the mantra \we all live downstream\ refer to? we should only use salt water save some water for the fish we shouldnt pollute our waters

Explanation:

The mantra "We all live downstream" emphasizes that water pollution affects everyone, as pollutants flow downstream. It's a call to protect water sources. Using only salt water is not relevant. Saving water for fish is a part of environmental care but the mantra's main focus is on pollution.

Answer:

we shouldn't pollute our waters