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1. Greenhouse Effect: The Greenhouse Effect is a natural process where certain gases in the Earth's atmosphere trap heat from the sun. Carbon dioxide (CO2) is one of the main greenhouse gases responsible for this effect. When sunlight reaches the Earth's surface, some of it is absorbed and re-radiated as heat. Greenhouse gases like CO2 trap some of this heat, preventing it from escaping back into space. This trapped heat warms the planet, making it suitable for life.
2. Impact of Increased Atmospheric Carbon Dioxide: If the levels of carbon dioxide in the atmosphere increase, it can lead to an enhanced greenhouse effect. This can result in global warming and climate change. Higher temperatures can cause melting of polar ice caps, rising sea levels, changes in weather patterns, and disruption of ecosystems. The increase in CO2 from human activities like burning fossil fuels contributes to this phenomenon.
3. Role of Bacteria in the Carbon Cycle: Bacteria play a crucial role in the carbon cycle by decomposing organic matter. When plants and animals die, bacteria break down their remains and release carbon dioxide back into the atmosphere. This process is called decomposition. Additionally, certain bacteria in the soil can convert organic carbon into forms that are more resistant to decomposition, storing carbon in the soil for longer periods. Bacteria also play a part in processes like photosynthesis and respiration, which are essential in the cycling of carbon between living organisms and the environment.
