|
|
3
|
Intelligent
|
5
|
Coal, oil, natural gas are examples of it.
|
7
|
Where there are too many people, it is...
|
8
|
Make
|
9
|
Sustainable
|
10
|
A project
|
12
|
A person who doesn't live in the countryside.
|
13
|
An increase
|
|
|
|
|
1
|
Keep heat in.
|
2
|
A customer
|
4
|
Greenhouse effect
|
6
|
Rare
|
11
|
An extended group of people with similar interests who interact and remain in informal contact for mutual assistance.
|
|
|