Examlex
Use correct arrow formalism to draw all the resonance structure for the radical shown below.
Point Source
A single, identifiable source of pollution, such as a pipe or a drain, from which pollutants are discharged.
Pollution
The introduction of contaminants into the natural environment that cause adverse change to air, water, or soil.
Factory Smokestack
A large chimney through which industrial gases, smoke, and particles are expelled into the atmosphere, often associated with manufacturing plants.
Preventable Health Problems
Health issues that can be avoided through interventions such as vaccinations, healthy lifestyle choices, and public health measures.
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