Which fundamental scientific discovery established that many diseases are caused by microorganisms, leading to revolutionary changes in medicine and sanitation practices?
💡 Explanation:
The Germ Theory of Disease, significantly advanced by scientists like Louis Pasteur and Robert Koch in the 19th century, proved that microscopic organisms (germs) are responsible for many infectious diseases. This understanding revolutionized medicine, leading to innovations in hygiene, antiseptics, vaccines, and antibiotics, dramatically improving public health.
