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Biogeochemical Cycle
Test Description: Carbon and nitrogen cycle global carbon cycle the sun and geothermal energy
Instructions: Answer all questions to get your test result.
1) The burning of fossil fuels has the greatest and most direct impact on the
A
water cycle
B
rock cycle
C
carbon cycle
D
nitrogen cycle
2) Carbon is used to make sugars in which step of the carbon cycle?
A
digestion
B
respiration
C
photosynthesis
D
transpiration
3) Carbon is removed from the atmosphere through what process?
A
deforestration
B
burning fossil fuels
C
photosynthesis
D
respiration
4) Where is carbon stored in the largest amounts on Earth?
A
lithosphere
B
atmosphere
C
oceans
D
ice caps
5) Which is the possible path of the movements of nitrogen in the nitrogen cycle?
A
soil - air- plants-air-animals-soil
B
soil-animals-plants-air-soil
C
air-animals-soil-plants-air
D
air-soil-plants-animals-soil-air
6) What are the primary sources of energy that drive the movement of matter among reservoirs?
A
the Sun and the plants
B
plants and animals
C
solar and geothermal
D
animal and solid Earth
7) Of these, which force is most directly responsible for creation of fossil fuels?
A
erosion
B
tectonic activity
C
pressure
D
displacement
8) Movement of carbon from geosphere to the atmosphere can be accomplished by
A
respiration
B
all of the above
C
photosynthesis
D
burning of fossil fuels
9) In which reservoir is dissolved carbon dioxide abundant?
A
plants
B
fossil fuels
C
oceans
D
organic waste
10) Most carbonates held in the geosphere take which form?
A
limestone
B
carbon monoxide
C
methane
D
carbon dioxide
*select an answer for all questions
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