The Carbon Cycle and Ecosystem Dynamics
Passage
•
Science
•
9th Grade
•
Practice Problem
•
Easy
Melina Burkell
Used 2+ times
FREE Resource
5 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the primary role of the carbon cycle in Earth's ecosystem?
Regulating Earth's temperature and sustaining life
Providing energy for photosynthesis
Facilitating the movement of water through the hydrosphere
Increasing atmospheric oxygen levels
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which human activity has significantly accelerated the release of carbon dioxide into the atmosphere?
Burning fossil fuels
Photosynthesis
Weathering of rocks
Respiration by plants
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is one consequence of increased carbon dioxide absorption by oceans?
Ocean acidification
Increased oxygen levels
Enhanced photosynthesis
Formation of limestone rocks
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
How does deforestation impact the carbon cycle?
It reduces the rate of photosynthesis
It increases the rate of respiration
It enhances carbon storage in soil
It accelerates the weathering of rocks
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is a proposed solution to mitigate human impacts on the carbon cycle?
Transitioning to renewable energy sources
Increasing fossil fuel usage
Promoting deforestation
Reducing photosynthesis
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