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

[Q]: Exotic species are also called invasive species because they threaten other species.
[A]: Why are exotic species also called invasive species?


[Q]: The mass remains the same does burning matter affect its mass.
[A]: How does burning matter affect its mass?


[Q]: Strong gravitational fields are capable of altering the rate of time passing.
[A]:
What is capable of altering the rate of time passing?