Question

the amoeba, one of the largest eukaryotic single cells on earth, can best be viewed using a(n)

Explanation:

The amoeba, a single - celled eukaryote, is visible under a light microscope as indicated in the text "The amoeba, a single - celled eukaryote that eats smaller unicellular organisms, is visible under a light microscope."

Answer:

Light microscope