Explique a importância da Muralha Verde para contenção da expansão do Deserto do Saara.

As water is cooled from 4 c to 0 c its density

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)

The process by which liquid water changes into water vapour is called what ?