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

[Q]: Photoautotrophs and chemoautotrophs are two basic types of autotrophs.
[A]: Photoautotrophs and chemoautotrophs are two basic types of what?


[Q]: Thermosphere is the upper-most atmosphere.
[A]: What is the upper-most atmosphere known as?


[Q]: The electronic components in electronic devices, used to transmit and change electricity are made of?
[A]:
The electronic components in electronic devices, used to transmit and change electricity are made of?