A. MULTIPLE CHOICE
B. MULTIPLE CHOICE
1

Where do animals get their carbon from?

a. From the dirt                           c. other animals

b. Plants as their food                  d. Rocks

b. Plants as their food

1

What are the two major processes that involve carbon and oxygen?

A. Coal formation and photosynthesis            

B.  Oxidation and bioremediation

C. Photosynthesis and respiration               

D. Oxidation and respiration

C. Photosynthesis and respiration

2

Which of the following is an example of human impact on the carbon cycle?

a. The increased production of gases from cattle farms

b. The cutting down of trees for lumber

c. The burning of fossil fuels

d. All of the above

d. All of the above

2

A gas breathed out by humans and animals from the lungs or produced by burning carbon

a. Carbonate        

b. Carbon Dioxide       

c.  Glucose                                                            

d. Methane

 b. Carbon Dioxide

3

__________could increase the amount of oxygen in the air

A. Building more houses          C. Planting more trees

B. Burning more oil                 D. Drinking water

C. Planting more trees

3

What is a simple type of sugar that is an important energy source in living things and which is a part of many carbohydrates

A. Enzyme                               

B. Salt                    

C. Glucose  

D. Carbon

C. Glucose  

4

Animals use oxygen for _______________.

A. Making sugar                               C. Breathing

B. Creating food                               D. Transpiration

     C. Breathing

4

It is the process of burning

A. Diffusion                    

B.  Combustion             

C. Radiation   

 D. Refraction    

B. Combustion

5

How fossil fuels, oils, charcoal form?

A. When dead materials are buried over millions of years

B. When dead materials are buried rapidly

C. When it is burned

D. When it is exposed to sunlight

A. When dead materials are buried over millions of years

5

Fuel such as coal or oil, that was formed over millions of years from the remains of animals or plants

A. Fossil Fuel                           

B. Weathering           

C. Sedimentation            

D. Assimilation

A. FOSSIL FUEL