Question
- Not all dead organisms are acted on by decomposers, Instead of being immediately recycled, thed
carbon from some organisms is kept in a type of long-term storage, or carbon sink. Using Model
2, answer the questions below about this long-term storage.
a. List four materials that contain this stored carbon.
b. What is the collective term for these four materials?
c. How do humans use the materials in the carbon sink?
d. What is the scientific name for the process listed in part
- List five examples of combustion in your everyday life.
carbon from some organisms is kept in a type of long-term storage, or carbon sink. Using Model
2, answer the questions below about this long-term storage.
a. List four materials that contain this stored carbon.
b. What is the collective term for these four materials?
c. How do humans use the materials in the carbon sink?
d. What is the scientific name for the process listed in part
Ask by Ball Greene. in the United States
Mar 13,2025
Upstudy AI Solution
Tutor-Verified Answer
Answer
15a. Four materials containing stored carbon are coal, crude oil, natural gas, and organic matter in sedimentary rocks.
15b. These materials are collectively called fossil fuels.
15c. Humans use fossil fuels by burning them to produce energy for activities like driving cars, cooking, and generating electricity.
15d. The scientific term for burning fossil fuels is combustion.
16. Five examples of combustion in everyday life are:
- Gasoline in a car.
- Gas stove for cooking.
- Lighting a candle.
- Burning wood in a fireplace.
- Coal-fired power plants.
Solution
15a. Four materials that contain stored carbon in the long‑term carbon sink are:
- Coal
- Crude oil
- Natural gas
- Organic matter in sedimentary rocks (e.g., kerogen)
15b. Together, these materials are collectively known as fossil fuels.
15c. Humans use these materials by burning them to release energy for purposes such as generating electricity, powering vehicles, and fueling industry.
15d. The scientific name for the process in which humans burn these materials is combustion.
16. Five examples of combustion in everyday life are:
- Burning gasoline in a car engine.
- Using a gas stove for cooking.
- Lighting a candle.
- Burning wood in a fireplace or campfire.
- Operating a coal‑fired power plant.
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Many materials contain stored carbon that scientists often classify as fossil fuels. These include coal, oil, natural gas, and peat. When these materials form over millions of years from decaying plant and animal matter, they effectively trap carbon in a long-term storage known as a carbon sink, which plays a crucial role in regulating the Earth’s atmospheric carbon levels.
Humans utilize these carbon-rich materials in multiple ways that power our daily lives: we burn fossil fuels for electricity, fuel our cars with gasoline, heat our homes using natural gas, produce cement for construction, and manufacture plastics from petrochemicals. This process is commonly known as combustion, where stored carbon is released back into the atmosphere as carbon dioxide, contributing to the carbon cycle.
