Which technologies are among the current major geospatial technologies sonar geographic information system satellites global positioning system you can chose more than one

Witch one is it soo it the the question b.a,b,c,d

What does the kyoto protocol aim to reduce

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)