In this task, you are given a question and a corresponding answer. Your task is to generate a fact statement that is useful in answering the given question.

[Q]: Question: Which is a byproduct of a lightbulb? Answer: warmth.
[A]: an incandescent light bulb converts electricity into heat by sending electricity through a filament

[Q]: Question: To positively affect the environment? Answer: cultivate dogwoods and oaks.
[A]: planting trees has a positive impact on an ecosystem

[Q]: Question: Lucy left a pan half full of water in the sun and it dried up in one afternoon.? Answer: it was the summertime.
[A]:
An example of evaporation is a body of water drying up by absorbing heat energy