Question

which is the best description of the germ theory of disease? germs are only theoretical. disease is caused by vapors. childhood germ cells proliferate disease. microorganisms cause disease.

Explanation:

The germ theory of disease states that many diseases are caused by the presence and actions of specific microorganisms (germs). Let's analyze each option:

• "Germs are only theoretical" is incorrect as germs (microorganisms) are real.
• "Disease is caused by vapors" refers to the miasma theory, not germ theory.
• "Childhood germ cells proliferate disease" is a nonsensical statement and not related to germ theory.
• "Microorganisms cause disease" matches the definition of germ theory.

Answer:

D. Microorganisms cause disease