Question: Use a magnifying glass to kill an ant.
Options:
When the sun is out, hold the magnifying glass above an ant at a distance so the suns rays focus on the ant.
When the sky is full of clouds, hold the magnifying glass above an ant at a distance so the light rays focus on the ant.
Answer: When the sun is out, hold the magnifying glass above an ant at a distance so the suns rays focus on the ant.