What is ozone layer and where is located​

Compounds which are found naturally in the earth are called: a. ores b. composites c. rocks d.minerals

Find the equation of the line passing through the point (–1, 5) and perpendicular to the line 3x + y = 4.

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)