QUESTION: Generate a question with a factual answer?

ANS: How important were cotton, silk, indigo dye,saltpetre and tea to the company?

QUESTION: Generate a question with a factual answer?

ANS: How is the propulsion powered in a climbing elevator?

QUESTION: Generate a question with a factual answer?

ANS: What is the group of elements used to join the elements of an antenna?

QUESTION: Generate a question with a factual answer?

ANS:
What does DNA consist of?