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| Question | Answer |
|---|---|
| Greenhouse gases | Gases in Earth’s atmosphere that trap heat and warm the planet. |
| Greenhouse effect | The process where greenhouse gases trap heat in the atmosphere, keeping Earth warm. |
| Climate | The long-term average pattern of temperature and weather in a region. |
| Human (impact) | Activities by people that affect Earth’s climate, such as burning fossil fuels. |
| Absorption of heat | The process of taking in heat energy. |
| Atmospheric heating | The warming of Earth’s atmosphere due to trapped heat. |
| Water vapor (H₂O) | The gaseous form of water and the most abundant greenhouse gas. |
| Carbon dioxide (CO₂) | A greenhouse gas released by burning fossil fuels and respiration. |
| Methane (CH₄) | A strong greenhouse gas released from agriculture and natural gas. |
| Nitrous oxide (N₂O) | A greenhouse gas released from fertilizers and burning fuels. |
| Hydrochlorofluorocarbons (HCFCs) | Man-made gases used in refrigerants that trap heat and damage ozone. |
| Hydrofluorocarbons (HFCs) | Man-made greenhouse gases used in cooling systems that trap heat. |
| Ozone (O₃) | A gas that protects Earth from UV rays in the stratosphere but acts as a greenhouse gas near the surface. |
| Burning fossil fuels | The use of coal, oil, or gas for energy, releasing carbon dioxide. |
| Refrigerant | A chemical used in cooling systems like air conditioners and refrigerators. |
| Respiration | The process where living organisms release carbon dioxide while producing energy. |
| Natural forest fires | Wildfires caused naturally that release carbon dioxide into the air. |
| Emissions | Gases released into the atmosphere. |
| Temperature | A measure of how hot or cold something is. |
| Precipitation | Water that falls from the atmosphere as rain, snow, sleet, or hail. |
| Agriculture practices | Farming methods that can release greenhouse gases like methane and nitrous oxide. |
| Volcanic eruption | An event where a volcano releases lava, ash, and gases into the atmosphere. |