ds 2 S 7.R2 Read the text and mark the sentences as T (true), F (false) or DS (doesn't say). 1 Cloud seeding began in the USA. 2 These days, most cloud seeding happens from the ground. 3 Air pollution makes the sunlight stronger over the Great Barrier Reef. 4 Scientists want to make it rain more often over the Great Barrier 5 Reef. Kazakh and Chinese scientists are trying to melt the snow in the Sawir Mountains. 2 WL hy not?​