Carbon Cycle

Carbon that is not incorporated into a living thing

• Organic

• Inorganic

The 2 biological processes that release CO₂ into the atmosphere

• Respiration

• Photosynthesis

• Decomposition

• Combustion

Using O₂ to break down Glucose (C₆H₁₂O₆) is

• Photosynthesis

• Respiration

• Percolation

• Evaporation

The formula CO₂ + H₂O + SUN LIGHT = C₆H₁₂O₆ + O₂ represents

• Photosynthesis

• Respiration

• Decomposition

• Chemosynthesis

Pick the 3 ways CO₂ can enter the atmosphere via respiration

• animals

• plants

• Algae

• Fossil fuels

Which is not part of the natural carbon cycle

• Burning fossil fuels

• Photosynthesis

• Decomposition

• Animal waste

What impact is burning fossil fuels having on the atmosphere?

• Increase amounts of CO₂

• Decrease greenhouse gasses

• Increase logging

• Decrease Oxygen

What is the only natural process that removes CO₂ from the atmosphere?

• Respiration

• Photosynthesis

• Decomposition

• Combustion

Fungi, bacteria and worms release carbon from

• Detritus

• live plants

• fossil fuels

• Oxygen gas

The oceans can absorb carbon this means the oceans are

• a carbon sink

• a carbon source