Bacteria, viruses, protozoa, and fungi are the four major germ types. Add the list and I can finish.
D because in an audit you can track the amount of water wasted <span />
Lung cancer.
This is the cancer that is most diagnosed to people with more than 70 years. They have usually a survival rate of 5 years after diagnosis. This cancer is also known as lung carcinoma and the main causes may be smokings, asbestos, air pollution, toxic gases, genetics, radon gas, and others.
Inhalants can be breathed in through the nose or the mouth in a variety of ways, such as—
"sniffing" or "snorting" fumes from containers;
spraying aerosols directly into the nose or mouth;
"bagging" — sniffing or inhaling fumes from substances sprayed or deposited inside a plastic or paper bag;
"huffing" from an inhalant-soaked rag stuffed in the mouth; and
inhaling from balloons filled with nitrous oxide.
Your answer is: good eating habits
Hope this helps!