Carbon Cycle Flashcards
Q1: Why is carbon essential for life?
A1: Carbon is a building block of life, forming the backbone of molecules like DNA, proteins, and carbohydrates.
Q2: Define Respiration.
A2: The process by which organisms release energy from glucose, producing carbon dioxide as a byproduct.
Q3: Define Photosynthesis.
A3: The process by which plants convert carbon dioxide and water into glucose and oxygen using sunlight.
Q4: What are fossil fuels?
A4: Energy sources like coal, oil, and natural gas, formed from the remains of ancient organisms over millions of years.
Q5: How do fossil fuels contribute to the carbon cycle?
A5: Burning fossil fuels releases stored carbon as carbon dioxide, increasing atmospheric CO₂ levels.