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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
nitrogen cycle
B
rock cycle
C
water cycle
D
carbon cycle
2) Carbon is used to make sugars in which step of the carbon cycle?
A
digestion
B
transpiration
C
photosynthesis
D
respiration
3) Carbon is removed from the atmosphere through what process?
A
photosynthesis
B
respiration
C
burning fossil fuels
D
deforestration
4) Where is carbon stored in the largest amounts on Earth?
A
ice caps
B
atmosphere
C
oceans
D
lithosphere
5) Which is the possible path of the movements of nitrogen in the nitrogen cycle?
A
air-animals-soil-plants-air
B
soil-animals-plants-air-soil
C
soil - air- plants-air-animals-soil
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
solar and geothermal
C
plants and animals
D
animal and solid Earth
7) Of these, which force is most directly responsible for creation of fossil fuels?
A
erosion
B
displacement
C
tectonic activity
D
pressure
8) Movement of carbon from geosphere to the atmosphere can be accomplished by
A
all of the above
B
photosynthesis
C
respiration
D
burning of fossil fuels
9) In which reservoir is dissolved carbon dioxide abundant?
A
oceans
B
organic waste
C
fossil fuels
D
plants
10) Most carbonates held in the geosphere take which form?
A
limestone
B
carbon dioxide
C
carbon monoxide
D
methane
*select an answer for all questions
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