Question

the bubonic plague is transmitted through...

• gnats that live on mice and rats.
• fleas that live on mice and rats.
• insects that live on hamsters and guinea pigs.
• fleas that live on cats and dogs.

Explanation:

The Bubonic Plague (Black Death) is transmitted by fleas (Xenopsylla cheopis) that infest infected rodents like mice and rats. Gnats don't transmit it, and the plague isn't linked to hamsters/guinea pigs or cats/dogs as primary hosts for the transmitting fleas.

Answer:

B. fleas that live on mice and rats.