The reason that you can tell that it was chemical is because you can see the bubbles forming. This means that it is giving off a gas.
Government films industrial verification of films quality. censor board certification. public Health and violence censor board certification etc matter
I believe the answer is a job ( C ) correct me if I am wrong please.
Answer: Do you mean like ways to conserve water in the kitchen? If so then don't run the dishwasher unless its completely full. And don't rinse dirty dishes
Explanation: Hope i helped