Question

1. modern plumbing and sanitation are huge in disease prevention. why?

plumbing moves human waste away from drinking water
washing hands is proven to prevent disease
water treatment eliminates disease
all of these answers are correct

Explanation:

Plumbing separates waste from drinking - water, hand - washing is a disease - prevention measure, and water treatment helps in eliminating disease - causing agents. All contribute to disease prevention.

Answer:

D. All of these answers are correct