What Did Van Leeuwenhoek Discover Using Microscopic Observations Before and After

question 20

Multiple Choice

What did van Leeuwenhoek discover using microscopic observations before and after drinking hot beverages?

• A) Heat did not kill microbes.
• B) Heat killed microbes.
• C) Heat did not kill algae.
• D) Caffeine in coffee killed microbes.
• E) The existence of spiral-shaped microbes.

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Definitions:

Physical Contact

The act of two or more objects or substances touching or coming into direct interaction with each other.

Ingestion

The act of taking food, drink, or another substance into the body through the mouth.

Lymph Nodes

Small, bean-shaped structures that are part of the mammalian immune system, filtering lymph and trapping pathogens.