YDS CÜMLE ATMA / TEST 3 7. Soru

birinci Bu Testin Birincisi Daisy41
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7.
- (I) 2.7 million years ago the Arctic Ocean froze.
(II)Europe and North America became covered
in ice. (III) Thus, the layers closest to the
surface began to heat up when spring came.
(IV) The reason seems obvious. (V) The cold
temperatures caused ice to build up.