Given scientific fact as input, generate the question from this fact such that it can be answered from the input.
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Question: Learning to get used to something after being exposed to it for a while is associated with habituation learning.

Answer: Learning to get used to something after being exposed to it for a while is associated with what kind of learning?


Question: Sporopollenin protects the pollen of seed plants and spores of seedless plants.

Answer: What protects the pollen of seed plants and spores of seedless plants?


Question: Using a hammer to remove a nail changes both the direction and strength of the applied force.

Answer:
Using a hammer to remove a nail changes both the direction and strength of the what?