Tили f a)the world is beautiful. b)some people destroy the environment. c)people walk on the mountains. d)they destroy forests. e)they dump their rubbish on the mountains every year. f)ln kazakhstan on the zhaiyk river the factors pollute the river with dirty water. g)we help the environment a lot. ))
b) T
c) T
d) T
e) F
f) F
g) F