Chọn từ thích hợp

----- Nội dung dịch tự động từ ảnh -----
consequence
factor change
result
impact effect
cause
role
a Technology has had a huge
....... on our lives.
b The area has undergone many
....... in recent years.
Planting trees can have a knock-on
on the economy of arid areas.
d Deforestation can have unforeseen
for the ecology of a region.
It is sometimes difficult to discover the exact. . of a problem.
e
f
To achieve the best .., it is important to initiate change at a local
level.
g The main
... contributing to success in any organization is a happy
workforce.
h The climate has played a major .
in this region's economic history.