You are driving a motor vehicle with a manual gearbox. What type of behaviour pollutes the environment?

Your answer is correct because both uneven driving style and frequently pressing the accelerator while waiting at traffic lights increase fuel consumption and emissions, which pollutes the environment. An uneven driving style involves rapid acceleration and braking, causing the engine to work harder and produce more pollutants. Similarly, revving the engine unnecessarily while stopped wastes fuel and increases exhaust emissions. On the other hand, driving downhill in a high gear usually reduces fuel consumption and is less polluting, so it is not considered environmentally harmful in this context. Understanding these behaviors helps you drive more efficiently and protect the environment.