instruction:
Given scientific fact as input, generate the question from this fact such that it can be answered from the input.
question:
Water leaves ponds and lakes through evaporation and also as outflow.
answer:
Water leaves ponds and lakes through evaporation and also as what?


question:
Restoration ecologists type of ecologists work to identify and manipulate the processes that most limit recovery of ecosystems from disturbances.
answer:
What type of ecologists work to identify and manipulate the processes that most limit recovery of ecosystems from disturbances?


question:
The stratosphere is the layer above the troposphere.
answer:

What is the layer above the troposphere?