D. Complete the text with at the orth Over (1) third of (2) Earth's land consists of (3) deserts and they are among (1
most inhospitable environments known to man (5) desert is classified as (6) area of
receives hardly any rainfall. There are (8) different kinds of (9) deserts for example
Desertin (11) Africa is hot and dry, whereas (12) desertin (13) Antarctica is alv-
variety of (15) landscapes have been created from these extreme climates, for instance, (16)
consist of (17) mountains, sand dunes, snow and stony or rocky surfaces.