Environmental Pollution - JSS1 Physical and Health Education Past Questions and Answers - page 2

Pollution is the introduction of harmful substances or products into the environment, causing adverse effects on living organisms and the environment.

Air Pollution: Contaminants like smoke, dust, and gases enter the atmosphere, leading to health issues and environmental damage.

Water Pollution: Harmful substances such as chemicals, waste, and pathogens are introduced into water bodies, affecting aquatic life and human health.

Soil Pollution: The presence of toxic chemicals in the soil, affecting its quality and the health of organisms living in or growing from it.

Common causes of soil pollution include industrial activities, agricultural activities (use of pesticides and fertilizers), improper waste disposal, oil spills, mining activities, and deforestation.

Soil pollution can cause health risks such as skin diseases, respiratory problems, and other health issues when people come into contact with or consume contaminated soil or crops.

Methods to control soil pollution include proper waste management, the use of organic farming techniques, remediation techniques like bioremediation, enforcing environmental laws, awareness programs, and afforestation.

Afforestation is important in preventing soil pollution because planting trees helps prevent soil erosion, maintains soil quality, and supports a healthy ecosystem.