Explain how you would separate a mixture of sodium hydroxide, iron filings, and sand such that you had. Sodium hydroxide is soluble in water. Iron filings are magnetic and insoluble in water.

a chemical reaction

explanation:

you did not give any options thus this is the best answer i can give to you with this little information you have given

> they are both natural and not man made

> they can be tracked and predicted by the right tools

-love shrooms

one negative thing it that it can kill water animals. another negative thing is it can cause the destruction of ecosystem. one way water pollution can be reduced is to conserve energy.