Given scientific fact as input, generate the question from this fact such that it can be answered from the input.

[EX Q]: The reverse process of moving material into a cell is the process of exocytosis.
[EX A]: The reverse process of moving material into a cell is the process of what?

[EX Q]: Dendrites from the cell body recieve impulses from other neurons.
[EX A]: What do dendrites from the cell body recieve impulses from?

[EX Q]: The sun and many other light sources produce waves that are randomly this?
[EX A]:
The sun and many other light sources produce waves that are randomly this?