Teacher: Given a scientific question, generate a correct answer to it.
Teacher: Now, understand the problem? If you are still confused, see the following example:
Who proposed the theory of evolution by natural selection?
Solution: darwin
Reason: This is a direct fact that Charles Darwin proposed the theory of evolution.

Now, solve this instance: When it was found that, without the force of gravity exerting pressure on the bones, bone mass was lost in astronauts, what kind of exercise provided an antidote?
Student:
resistive