Question

which of these was needed to develop the cell theory? the telescope the lightbulb the microscope electricity

Explanation:

The cell theory was developed through the observation of cells. Microscopes are used to view cells as they are too small to be seen with the naked - eye. Telescopes are for viewing distant objects in space, light - bulbs are for producing light, and electricity is a form of energy. None of these are directly related to observing cells for the development of the cell theory.

Answer:

C. The microscope