Variant 1 You could have come first and won the race if you … faster

28. According to the text, what is TRUE about Wright Valley?

A) It is the smallest valley in Antarctica B) It is surrounded with mountains and there is no rain

C) It is covered with ice and snow all year round D) It is the coldest valley in the world

29. The lakes in Wright Valley don`t wholly freeze, owing to …

A) the streams B) harsh weather C) saline water D) dry conditions

30. What happened 2 million years ago in the valley?

A) lakes formed B) rain dropped C) first living things appeared D) streams carried minerals