QUESTION: Generate a question with a factual answer?

ANS: What is a commercial solution that can also be used?

QUESTION: Generate a question with a factual answer?

ANS: What resulted from the loss of the area the glaciers over the Alps?

QUESTION: Generate a question with a factual answer?

ANS: Which calendars were among the first to appear?

QUESTION: Generate a question with a factual answer?

ANS:
Why did e Melo demarcate the region for production of Port?