WE can keep everything sterile, and germ free therefore preventing infections spreading or being exposed to other people. This will help the healing process because we know how to treat a infection and get the proper treatment to cure it.
Due to there being no answer choices I can only really give an example.
The non-living parts of an ecosystem are called abiotic factor, so Sunlight, temperature, atmospheric gases, water and soil, Biotic factors are living, so a interaction is with plants, plants require sunlight, soil, water, and CO2 to make food.
Answer:
the standard of health, comfort, and happiness experienced by an individual or group.
<span>A series of ONE-WAY VALVES </span>are necessary to prevent backflow of blood when b<span>lood pressure in veins is lower than in the arteries.</span>