Question

(a) us/to/trees/of/importance/great/are
(b) green/the/of/the/trees/laboratories/wonderful/little/leaves/are
(c) carbon dioxide/they/by/animals/breathed out/absorb
(d) air pollution/the/reduce/trees/our life/they/make possible and.​

Answer 1

a. importance of trees are great to us.

b. the little green leaves of the trees are wonderful laboratories .

c they absorb carbon dioxide breathed out by animals.

d. the tress reduce air pollution and make our life possible.

Answer 2

Answer:

1)Trees are of great importance to us

2)green little leaves are the wonderful laboratories of the trees

3)they absorb co2 breathed out by the animals.

4)the trees reduce air pollution and make our life possible.