The sun is made up of different elements. Which element makes up more than 70 percent of the sun?
A. oxygen
B. carbon
C. helium
D. hydrogen

How do oceanographers measure the salinity of ocean water?

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)

Quiero una redaccion de yo soy medico y que tenga 10 lineas