2.3 Biogeochemical cyclesIB Environmental Systems and Societies HL: Flashcards

What these 15 flashcards ask

• Give two organic and two inorganic carbon stores.
• How does carbon dioxide move between the air and oceans?
• Why can agriculture be a store, source or sink?
• (HL) Name a carbon store in the lithosphere besides fossil fuels.
• (HL) How were coal, oil and natural gas formed?
• (HL) How is methane produced?
• (HL) What is the atmospheric residence time of methane?
• (HL) What kinds of store does the nitrogen cycle contain?
• (HL) Why can plants not use atmospheric dinitrogen?
• (HL) When does denitrification occur?
• (HL) List flows in the nitrogen cycle.
• (HL) What does the Haber process do?
• (HL) How have humans changed the nitrogen cycle?
• (HL) What is the status of the nitrogen planetary boundary?
• (HL) Why is global collaboration needed for nitrogen?