Given a fact, create a question that can be answered using the fact. Construct the question such that it is unambiguous, has a unique answer and the answer can be given using the fact.
--------
Question: Fact: planting native plants has a positive impact on an ecosystem

Answer: local plant varieties are the best for improving the local?


Question: Fact: as the activity of an animal increases , the amount of water in an animal 's body in that environment will decrease

Answer: What happens when animals in hot environments are active?


Question: Fact: a compass 's needle lines up with Earth 's magnetic poles

Answer:
If someone wants to walk towards the magnetic north pole they should?