Generate a question with a factual answer.
Generated: Which city notably opted not to become carbon neutral in 2009?

Generate a question with a factual answer.
Generated: What do non-cuticle annelids use to protect their skin?

Generate a question with a factual answer.
Generated: What online activity has the largest number of reported adolescent particpation?

Generate a question with a factual answer.
Generated: What was the number of internet users in the year 2011?