Who is the current Secretary-General of the United Nations as of 2023?

Which country has the largest land area?

Who was the first President of the United States?

What gas do plants absorb from the atmosphere to perform photosynthesis?

What term is used to describe the total value of all goods and services produced over a specific time period within a country's borders?

The Nobel Prizes were established by which inventor?

Which country hosted the 2020 Summer Olympics, which were held in 2021 due to the COVID-19 pandemic?