QUESTION: Generate a question with a factual answer?

ANS: What does Darwin believe about the differences between species and varieties?

QUESTION: Generate a question with a factual answer?

ANS: How long were workers in Ford Plant evacuated for?

QUESTION: Generate a question with a factual answer?

ANS: Aspiration is what, in English and some other languages?

QUESTION: Generate a question with a factual answer?

ANS:
What causes the temperature to decrease?