Insert articles where necessary before the nouns denoting geographic names. a there are deserts in africa, asia, australia, south america, and north america. in fact nearly a fifth of the earth's land surface is a desert. sahara is the world's hottest and largest desert. it stretches across north africa, covering area almost as big as usa. most of the centre of australia is a desert, called 'the outback.' there are many smaller world deserts. they include gobi desert in mongolia, atakama desert in chile, and kalahari in south africa. arabia has the most difficult desert country in the world. the 'empty ouater,' between persian gulf and arabian sea, is the most barren area of all, a sea of sand with huge dunes. в netherlands, also known unofficially as holland, is a constitutional monarchy of northwestern europe. it is bordered in the north and west by north sea, on the east by germany, and on the south by belgium. with belgium and luxembourg, netherlands forms the low, or benelux, countries.