QUESTION: Generate a question with a factual answer?

ANS: What is the busiest bridge for cars in the world?

QUESTION: Generate a question with a factual answer?

ANS: How did Popper feel about Marxism after only a short time associating with other Marxists?

QUESTION: Generate a question with a factual answer?

ANS: Does the Government of Ireland's London embassy use the name British Isles?

QUESTION: Generate a question with a factual answer?

ANS:
what does null hypothesis test against?