Question

3 what might you observe with an electron or scanning probe microscope? a the arrangement of atoms in a crystal b the internal organs of a frog c the names of small roads on a map

Explanation:

Electron and scanning probe microscopes have high resolution to observe atomic - scale structures. Option A: The arrangement of atoms in a crystal is at the atomic scale, which can be observed by these microscopes. Option B: Internal organs of a frog are macroscopic structures, observed by light microscopes or with the naked eye in dissections, not electron or scanning probe microscopes. Option C: Road names on a map are not related to the observation capabilities of these microscopes.

Answer:

A. The arrangement of atoms in a crystal