chapter 13

Question 1

vehicle

Answer 1

a machine that is used to carry people or goods from one place to another

Question 2

estimate

Answer 2

to give or form a general idea about the value, size, or cost of (something)

Question 3

engines

Answer 3

a machine that changes energy

Question 4

harm

Answer 4

physical or mental damage

Question 5

interest

Answer 5

something (such as a hobby) that a person enjoys learning about or doing

Question 6

loans

Answer 6

permission to use something for a period of tim

Question 7

maintain

Answer 7

to cause (something) to exist or continue without changing

Question 8

decrease

Answer 8

to become smaller in size, amount, number, etc.

Question 9

meanwhile

Answer 9

at or during the same time

Question 10

competition

Answer 10

the act or process of trying to get or win something

Question 11

fuel

Answer 11

a material (such as coal, oil, or gas) that is burned to produce heat or power

Question 12

passengers

Answer 12

a person who is traveling from one place to another in a car, bus, train, ship, airplane, etc., and who is not driving or working on it

Question 13

income

Answer 13

money that is earned from work, investments, business, etc.

Question 14

association

Answer 14

an organized group of people who have the same interest, job, etc.