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The Carbon Cycle: Understanding Earth's Vital Processes
Passage
•
Science
•
9th Grade
•
Practice Problem
•
Hard
Micah Blue
FREE Resource
5 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the primary method for carbon entry into the biological cycle?
Photosynthesis
Respiration
Decomposition
Combustion
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which process releases carbon back into the atmosphere during the carbon cycle?
Respiration
Photosynthesis
Combustion
Carbon storage
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
How have human activities primarily altered the natural carbon cycle?
By burning fossil fuels
By increasing photosynthesis
By enhancing decomposition
By reducing respiration
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What role do oceans play in the carbon cycle?
Absorb carbon dioxide and form carbonic acid
Release carbon dioxide through combustion
Store carbon in biomass
Convert carbon dioxide into glucose
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which of the following acts as a carbon sink in terrestrial ecosystems?
Forests
Oceans
Atmosphere
Fossil fuels
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