D. Water Polution-the Dirty Facts

Question 1

What two things make up water

Answer 1

Hydrogen and Oxygen

Question 2

What other things are naturally contained in water?

Answer 2

minerals and microganisms

Question 3

Where does bacteria in water come from?

Answer 3

waste products of people and animals

Question 4

The chemical, biological and physical characteristics of water is called _______.

Answer 4

water quality

Question 5

The indispensable nutrient is ________?

Answer 5

water

Question 6

Humans and plants both need _____ to live.

Answer 6

water

Question 7

Two kids of pollution are ______ and ______>

Answer 7

point and nonpoint

Question 8

__________ are minerals or microorganisms occurring in water that may pose a risk through the use of the water.

Answer 8

Contaminants

Question 9

The US agency that regulates contaminants.

Answer 9

US Environmental Protection Agency

Question 10

Contaminants in drinking water are measured by _________ __________.

Answer 10

laboratory methods

Question 11

One of the contaminants of concern the EPA is B________?

Answer 11

Bacteria

Question 12

One of the contaminants of concern the EPA is N________?

Answer 12

Nitrates

Question 13

One of the contaminants of concern the EPA is M_______?

Answer 13

Minerals

Question 14

One of the contaminants of concern the EPA are s________ c____________?

Answer 14

synthetic chemicals

Question 15

Dysentery, hepatitis, and typhoid fever are type of ________ _______ that can cause serious health problmes

Answer 15

bacteria contamination

Question 16

Occasionally, metals such as 
\_\_\_\_\_\_ or \_\_\_\_\_\_leach into water 
from surrounding rock in sufficient 
concentrations to present a health 
risk

Answer 16

chromium or lead