Impact of importing used motor vehicles to the environment. 

• Due to improper combustion, these old vehicles release carbon monoxide (CO). Carbon monoxide combines with blood haemoglobin and prevent it from carrying oxygen causing death.
• Vehicles also release carbon dioxide and hydrocarbons that that lead to global warming and climate change.
• Hydrocarbons lead to depletion ozone leading penetration of high frequency radiations that cause skin cancer.
• They also release oxides of nitrogen and sulphur; these gases are acidic, lead to acidic rain that is corrosive to both plant leaves and human skin. Acid rain also  seeps into the ground and dissolves and cause leaching of  nutrients, such as magnesium and calcium, that trees need to be healthy. Acid rain also causes aluminum to be released into the soil, which makes it difficult for trees to take up water. Acid rain also cause deterioration of building and bridges
• Old vehicles released lead from the car batteries to environment, lead poining lead to kidney and brain damage.
• Old vehicles also litter the environment non biodegradable broken glasses, rubber and plastic materials
• Old motor vehicle are cheap and are bought in large numbers causing traffic jam and human stress and distress.
• Old motor vehicles cause noize in the evironment that scare wild animals in game parks.
• Old motor vehicles have inefficient Engines leading to over consumption of fuel and fas depletion this vital resource from the environment.
• Old motor vehicles contaminate the ground and water with oil spillages.

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Thak you

Dr. Bbosa Science