what does it mean when it's said that "this voucher admits up to 4 visitors"? does it mean that no more than 4 people could visit?

Plz asap can someone find the answer or the mark scheme or anything plzzz you : ) ‘it's perfectly understandable that hundreds of millions of people around the world live close to volcanoes’ use evidence to support this statement. (6 marks)

Based on current rates the earths human population is expected to grow how much by 2050

The earth is actually quite a dry planet true or false