B. Runs his dishwasher only when it’s full.
All the rest seem like ways to waste water so I think B makes the most sense
They would be concerned becuase they affect they area with the symptoms/problems and they would aid them because they are most ways common symptoms are found and usually help find more problems
Underemployment is a condition in which workers are employed in less than full-time or regular jobs or insufficient jobs for their training or economic needs. Also, underemployment is a worker's underuse because a job does not use the skills of the worker, i.e. part-time, or leaves the worker idle.
PLEASE MARK MY ANSWER AS BRAINLIEST.
