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
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
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
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
__________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
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
Animals use oxygen for _______________.
A. Making sugar C. Breathing
B. Creating food D. Transpiration
C. Breathing
It is the process of burning
A. Diffusion
B. Combustion
C. Radiation
D. Refraction
B. Combustion
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
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