Carbon Cycle

What is decomposition?

• the movement of carbon from the nonliving environment into living things and back

• a compound made from carbon and oxygen

• a chemical reaction that breaks down dead plants and animals

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relating to life, living things, or living processes

• Biological

• Geological

• Photosynthesis

• Cellular Respiration

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the movement of carbon from the nonliving environment into living things and back

• Open System

• Product

• Carbon Cycle

• Natural Resource

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process that releases energy from food in the presence of oxygen

• Fossil Fuel

• Photosynthesis

• Cellular Respiration

• Aerobic

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the process of burning something

• Photosynthesis

• Carbon Cycle

• Cellular Respiration

• Combustion

(a)   is the process by which plants and some other organisms use light energy to convert water and carbon dioxide into oxygen and high-energy carbohydrates such as sugars and starches

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Luna, Evelyn, and Olivia are studying about different carbon cycles in their science class. They learned that Decomposition and Photosynthesis are part of which carbon cycle?

• Geological

• Biological

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Jackson, Mason, and Aiden are discussing the composition of all living things. Jackson says that all living things are composed of Carbon. Is he correct?

• True

• False

Energy moves from the sun to ​ (a)   ,which then flows to ​ (b)   , which are broken down by ​ (c)   in an ecosystem.

• producers

• consumers

• decomposers

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The main human activity that releases greenhouse gases is

• using bottled water
• burning fossil fuels
• texting on cellphones
• eating meat

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