instruction:
Given scientific fact as input, generate the question from this fact such that it can be answered from the input.
question:
Stirring, surface area, and temperature affect the rate at solute dissolves what occurs.
answer:
Stirring, surface area, and temperature affect the rate at which what occurs?


question:
The right atrium of the heart receives the blood is pumped from veins of the systemic circuit.
answer:
What part of the heart receives the blood is pumped from veins of the systemic circuit?


question:
Spindle fibers form between the centrioles during prophase i of meiosis process.
answer:

Spindle fibers form between the centrioles during prophase i of what process?