QUESTION: Generate a question with a factual answer?

ANS: What was the name of the first vehicle to reach outer space?

QUESTION: Generate a question with a factual answer?

ANS: What did Charles Darwin call the sudden appearance of nearly modern flowers in the fossil record?

QUESTION: Generate a question with a factual answer?

ANS: Why do hydraulic elevators use more energy?

QUESTION: Generate a question with a factual answer?

ANS:
The use of the first ass instruments occurred in what era?