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

Ex Input:
Constant random motion trait of particles causes even cold objects to have some thermal energy.

Ex Output:
Which trait of particles causes even cold objects to have some thermal energy?


Ex Input:
Digestion begins in the gastrovascular cavity.

Ex Output:
Where does digestion begin?


Ex Input:
Science is a process of knowing about the natural universe through observation and experimentation.

Ex Output:

Science is a process of knowing about the natural universe through what two actions?