Final answer:
Lead in petrol poses significant health and environmental risks due to its toxic effects on the body and its persistence in ecosystems.
Explanation:
Lead in petrol is harmful to both human health and the environment due to its toxic effects on the body and its long-term impacts. Lead exposure can lead to serious health issues such as anemia, slowed growth, learning problems, organ damage, and even death, with children being particularly susceptible. Environmentalists raise concerns about lead in petrol because of its detrimental effects on ecosystems, as well as its persistence in soil, water, and air, posing a threat to wildlife and human populations.
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