Chapter 13

Question 1

vehicles

Answer 1

something such as a car or bus that takes people from one place to another, especially using roads

Question 2

estimates

Answer 2

a guess of what a size, value, amount, etc might be:

a rough estimate

Question 3

engines

Answer 3

the part of a vehicle that uses energy from oil, electricity, or steam to make it move

Question 4

harm

Answer 4

Smoking can cause serious harm to the lungs

Question 5

interest

Answer 5

the feeling of wanting to give attention to something or discover more about it

Question 6

loans

Answer 6

money that someone has borrowed

Question 7

maintain

Answer 7

to make a situation or activity continue in the same way

Question 8

decrease

Answer 8

to become less, or to make something become less

Question 9

meanwhile

Answer 9

in the time between two things happening, or while something else is happening

Question 10

competition

Answer 10

an organized event in which people try to win a prize by being the best, fastest

Question 11

fuel

Answer 11

a substance that is burned to provide heat or power

Question 12

passengers

Answer 12

someone who is travelling in a vehicle, but not controlling the vehicle

Question 13

income

Answer 13

money that you earn by working, investing, or producing goods

Question 14

association

Answer 14

an organization of people with the same interests or with a particular purpose

Question 15

borders

Answer 15

the line that separates two countries or states