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

Q: A wall of rocks or concrete a called a groin.

A: What is a wall of rocks or concrete called?
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Q: The two parameters used to measure changes in ecosystems are resistance and resilience.

A: The two parameters used to measure changes in ecosystems are resistance and what related factor?
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Q: Plants that grow where you don't want them are called weeds.

A:
What are plants called that grow where you don't want them?
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