C is what I believe the correct answer is!(:
The answer to the question above is "experienced a loss condition" which the situation that Louis will face if he decided to make another gadget. The net income or loss is the difference between cost and benefit of a project or a business. A loss will occur if the cost is higher than the benefit in a business or a project.
Answer:
Wastewater treatment
Explanation:
The major aim of wastewater treatment is to remove as much of the suspended solids as possible before the remaining water, called effluent, is discharged back to the environment. As solid material decays, it uses up oxygen, which is needed by the plants and animals living in the water.