What is the unavoidable variation in something being measured?

On venus, which of the following drives geological change? a. hurricanes b. volcanoes c. tsunamis d. earthquakes

How do the various countries in east asia meet their power needs? give specific examples

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)