What is the area of an equilateral triangle that has a perimeter of 36 centimeters? Round to the nearest square centimeter. 15 square centimeters 25 square centimeters 62 square centimeters 72 square centimeters

Gemstones are commonly found in pegmatites, which are igneous rocks that are a. exceptionally mafic b. exceptionally coarse grained c. exceptionally fine grained d. extrusive, forming from lava

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)

Which layer surrounds the center of the earth? a: crust b: core c: mantle