Environmental Chemistry
Name: ______________________ Date: ____________
Write the missing letters on the lines to finish each word.
2.
S
H
D
E
A colorless toxic gas that occurs in the gases from volcanoes
4.
P
O
T
Waste matter that contaminates the water or air or soil (plural)
6.
H
O
R
An organic compound containing only carbon and ___
7.
C
O
M
X
An odorless very poisonous gas that is a product of incomplete combustion of ___
8.
O
L
R
A ___ in the stratosphere that contains a concentration of ___ sufficient to block most
9.
C
I
M
C
E
A salt found in nature as chalk or ___ or aragonite or limestone
10.
S
M
Matter that has been deposited by some natural process
11.
H
Partially decomposed organic matter
13.
G
O
W
I
An increase in the average temperature of the earth's atmosphere
14.
L
A caustic substance produced by heating ___
15.
M
E
A substance consisting of two or more substances mixed together
17.
N
A
I
To get rid of by killing
19.
P
T
Living things like trees and flowers that grow in soil
20.
P
L
O
Undesirable state of the natural environment being contaminated with harmful substances as
21.
C
D
X
I
A heavy odorless colorless gas formed during respiration and by the decomposition of organic
22.
L
S
N
A sedimentary rock consisting mainly of calcium that was deposited by the remains of marine animals
23.
W
E
I
To face and withstand with courage
24.
C
A
C
C
T
A ___ that uses a platinum-iridium ___ to oxidize pollutants and carbon monoxide into