chapter 14

Question 1

shade

Answer 1

an area of slight darkness that is produced when something blocks the light of the sun

Question 2

oxygen

Answer 2

a chemical that is found in the air, that has no color, taste, or smell, and that is necessary for life

Question 3

dioxide

Answer 3

a molecule that has two atoms of oxygen and one atom of another element (such as carbon)

Question 4

soil

Answer 4

the upper layer of earth that may be dug or plowed and in which plants grow

Question 5

urban

Answer 5

of or relating to cities and the people who live in them

Question 6

floods

Answer 6

a large amount of water covering an area of land that is usually dry

Question 7

benefits

Answer 7

a good or helpful result or effect

Question 8

population

Answer 8

a group of people or animals of a particular kind that live in a place

Question 9

looked into

Answer 9

to try to get information about (something)

Question 10

diameter

Answer 10

a straight line from one side of something (such as a circle) to the other side

Question 11

rubber

Answer 11

an instrument or object (as a rubber eraser) used in rubbing, polishing, scraping, or cleaning

Question 12

ink

Answer 12

colored liquid that is used for writing or printing

Question 13

grateful

Answer 13

feeling or showing thanks

Question 14

renewable

Answer 14

able to be extended for another time period

Question 15

resource

Answer 15

thing that provides something useful