It plays a key role in shaping ecosystems by serving as an agent of renewal and change. But fire can be deadly, destroying homes, wildlife habitat and timber, and polluting the air with emissions harmful to human health. Fire also releases carbon dioxide—a key greenhouse gas—into the atmosphere.
"Politeness is half good manners and half good lying" because when someone asks you how you are, you politely reply 'I'm doing good/well' even if your not - a lie. :)
