Biosphere
D, C, B, D, D, B, C, C, B, B, E, B, A, D, C

The cycling of matter
D, C, B, D, B, E, A, E, D, A, E, D, B, B, E

The solid earth
A, D, A, E, A, C, B, E, C, B, D, E, C, A, A

Land
E, B, E, C, C, D, A, C, C, E, D, C, E, B, B

Human history & Global distribution
C, D, A, D, D, A, E, E, E, B, C, D, A, D, C

Food & other agriculture products
D, D, E, B, C, A, D, C, D, C, B, D, E, C, C

Energy
C, E, B, D, C, C, A, C, D, E, E, B, A, E, D

Human Health
B, B, E, B, D, B, A, E, C, B, E, E, B, D, D

Solid Waste
E, E, D, D, C, B, A, E, A, E, D, B, E, D, C

Atmosphere
C, E, A, D, C, D, B, A, A, E, A, A, E, D, B

Water
D, B, C, E, C, D, A, C, D, A, D, C, C, D, D

Air, Water & Soil Pollution
E, C, B, D, C, A, B, C, D, D, A, E, C, A, C

Cause & Effect
C, D, D, B, E, E, B, A, A, C, D, C, E, E

Economics
D, E, D, C, E, C, B, C, C, A, C, B, A, E, C

Laws
D, B, A, E, D, B, E, A, B, B, A, D, C, E, B

Chapter 3 Quiz # 1 - 13
B, E, B, C, A, D, D, A, E, B, D, C, A

CHAPTER 4 # 1 - 16
C, B, D, E, A, C, E, D, C, A, B, C, B, E, D, A

CHAPTER 5 # 1- 15
C, D, C, E, E, A, B, C, A, E, C, D, B, A, E

CHAPTER 6 #1 - 15
A, C, D, A, D, A, C, A, B, A, C, B, C, B, D

CHAPTER 7 #1 - 10
D, D, C, E, D, A, C, E, B, C

Chapter 8 #1 - 14
A, B, D, E, B, C, D, B, D, D, C, A, B, E

Chapter 9 #1 - 10
A, B, D, D, A, E, E, B, D, C

#1-24
C, E, B, A, D, A, C, A, D, C, B, A, C, B, A, B, C, E, D, A, E, E, A, C

#25 - 35
A, E, A, A, E, B, C, E, A, B, E

#36 - 50
A, B, B, C, D, A, D, D, E, A, B, B, A, C, C

#51 - 68
B, C, C, B, C, E, B, C, E, E, B, A, C, D, E, C, E

#69 - 100
D, C, E, A, A, D, E, C, A, A, B, D, B, B, E, D, A, E, E, A, D, D, A, D, E, D, B, C