Which type of microscope can produce three-dimension images of a cell's surface

In the context of the neural impulse, which of the following is true about the depolarization of neuron membranes?

What prevents odyssey from killing the sleeping cyclops

1) what three conditions must be present for minerals to form through natural processes? 2) why are minerals considered inorganic substances? 3) how do oxides differ from other minerals that contain oxygen atoms? 4) how is a sulfide different from a sulfate? what makes native elements unique?