Which of the following best defines the carbon cycle?(1 point)
Responses
The transformation of carbon dioxide into oxygen
The transformation of carbon dioxide into oxygen
The process of photosynthesis in plants
The process of photosynthesis in plants
The storage of carbon in the atmosphere
The storage of carbon in the atmosphere
The movement of carbon atoms through the Earth's atmosphere, hydrosphere, and geosphere
The movement of carbon atoms through the Earth's atmosphere, hydrosphere, and geosphere
Question 2
Which of the following is an example of an abiotic carbon reservoir?(1 point)
Responses
Forests
Forests
Plants
Plants
Oceans
Oceans
Animals
Animals
Question 3
How does carbon enter the atmosphere?(1 point)
Responses
Through the decomposition of plants and animals
Through the decomposition of plants and animals
Through volcanic eruptions and combustion of fossil fuels
Through volcanic eruptions and combustion of fossil fuels
Through photosynthesis and respiration of plants
Through photosynthesis and respiration of plants
Through excretion of animals
Through excretion of animals
Question 4
Which of the following is an example of a biotic carbon reservoir?(1 point)
Responses
Trees and other vegetation
Trees and other vegetation
Rocks and minerals
Rocks and minerals
Soil
Soil
Fossil fuels
Fossil fuels
Question 5
What process removes carbon dioxide from the atmosphere?(1 point)
Responses
Combustion
Combustion
Decomposition
Decomposition
Cellular respiration
Cellular respiration
Photosynthesis
Photosynthesis
Question 6
How does carbon dioxide get released into the atmosphere during the carbon cycle?(1 point)
Responses
Through the decomposition of organic matter
Through the decomposition of organic matter
Through the process of photosynthesis
Through the process of photosynthesis
Through volcanic activity and human activities like burning fossil fuels
Through volcanic activity and human activities like burning fossil fuels
Through the respiration of plants and animals
Through the respiration of plants and animals
Question 7
In which form is carbon stored in the ocean?(1 point)
Responses
As organic matter in the form of dead organisms
As organic matter in the form of dead organisms
As carbonate minerals in shells and coral reefs
As carbonate minerals in shells and coral reefs
Carbon dioxide gas dissolved in seawater
Carbon dioxide gas dissolved in seawater
As dissolved carbonic acid
As dissolved carbonic acid
Question 8
Which process returns carbon to the atmosphere from the ocean?(1 point)
Responses
Ocean acidification
Ocean acidification
Ocean upwelling
Ocean upwelling
Coral bleaching
Coral bleaching
Carbonation
Carbonation
Question 9
What role do plants play in the carbon cycle?(1 point)
Responses
They break down organic matter and release carbon dioxide into the atmosphere
They break down organic matter and release carbon dioxide into the atmosphere
They store carbon in their tissues and help sequester it in the soil
They store carbon in their tissues and help sequester it in the soil
They absorb carbon dioxide during photosynthesis and release oxygen
They absorb carbon dioxide during photosynthesis and release oxygen
They release carbon dioxide during respiration and absorb oxygen
They release carbon dioxide during respiration and absorb oxygen
Question 10
Which of the following statements about carbon storage is true?(1 point)
Responses
The ocean is the largest carbon reservoir on Earth
The ocean is the largest carbon reservoir on Earth
Fossil fuels are a renewable source of carbon storage
Fossil fuels are a renewable source of carbon storage
Carbon storage in plants and trees is negligible
Carbon storage in plants and trees is negligible
Carbon sequestration refers to the release of carbon dioxide into the atmosphere
Carbon sequestration refers to the release of carbon dioxide into the atmosphere
what are the answers to all 10 of those questions
1. The movement of carbon atoms through the Earth's atmosphere, hydrosphere, and geosphere.
2. Oceans.
3. Through volcanic eruptions and combustion of fossil fuels.
4. Trees and other vegetation.
5. Photosynthesis.
6. Through volcanic activity and human activities like burning fossil fuels.
7. Carbon dioxide gas dissolved in seawater.
8. Ocean upwelling.
9. They absorb carbon dioxide during photosynthesis and release oxygen.
10. The ocean is the largest carbon reservoir on Earth.