ANSWERS OF EXERCİSES

Exercise 3
1- S
2-CP
3- CP
4- S
5- S
6- S
7- S
8- CP
9- CP
10- S

Exercise 4

1- Robert E. Peary was a brave man and explored arctic regions.
2- He made his first expeditions to Greenland in 1886 and made several other trips there.
3- Peary planned a trip to North Pole and announced his plans in 1898.
4- He made the trip with his assistant, Matthew Henson and also included four Inuits.
5- Peary succeeded in reaching his goal and arrived at the North Pole on April 6, 1909.

Exercise 5

1- Robert E. Peary was a brave man, so he explored arctic regions.
2- He made his first expeditions to Greenland in 1886, and he made several other trips there.
3- Peary planned a trip to North Pole, so he announced his plans in 1898.
4- He made the trip with his assistant, Matthew Henson, and they included four Inuits.
5- Peary succeeded in reaching his goal, as he  arrived at the North Pole on April 6, 1909.

Exercise 6

1- Since the world's supply of wood is limited
2- None
3- Which may also be used for recreation

4- That deserve serious consideration

5- Because opinions on the subject are so different

Exercise 7

1- Complex / Because millions of energy-consuming devices are in use every day

2- Complex/  When builders construct new homes

3- Complex/ Although energy-efficient appliances cost more

4- Complex/ Because legislators have enacted certain laws

5- Complex Compound / When cars use less gas

6- Complex/ Though sulfur pollution is a threat to human health 

7- Complex/ Although water power can generate electricity

8- Complex Compound / That we consume in producing those goods

9- Complex Compound / That cool, heat and transport us

10- Complex / Because our natural resources clearly cannot last forever