Question

bacteria, viruses, protozoa, and parasitic worms are examples of which of these?

infectious agents
sediment
thermal pollution
organic chemicals

Explanation:

Bacteria, viruses, protozoa, and parasitic worms are all biological entities that can cause infections in hosts. Infectious agents are substances or organisms that can cause disease. Sediment refers to solid particles that settle at the bottom of a liquid. Thermal pollution is related to changes in temperature in an environment. Organic chemicals are carbon - based compounds. Since the given organisms are known to cause infections, they are classified as infectious agents.

Answer:

infectious agents