Pencemaran Alam Sekitar

What is the definition of air pollution?

• Accumulation of solid waste at disposal sites

• Presence of hazardous chemicals in water

• Presence of pollutants such as gases and particles in the atmosphere

• Noise from industrial machines

What is the main cause of water pollution in Malaysia?

• Open burning

• Industrial and domestic waste

• Industrial activities

• Noise from traffic

Which of the following is an example of soil pollution?

• Use of fossil fuels

• River degradation

• Uncontrolled waste disposal

• Motor vehicles

What is the main effect of air pollution on human health?

• Digestive problems

• Sleep disturbances

• Respiratory and heart diseases

• Hearing impairment

What measures can be taken to reduce water pollution?

• Improve waste management

• Reduce vehicle usage

• Control noise pollution

• Increase organic farming

What is the main source of noise pollution in urban areas?

• Construction activities

• Agricultural waste

• Burning of chemicals

• Temperature drop

How can soil pollution affect food quality?

• Reduce temperature accuracy

• Increase soil acidity

• Contain hazardous chemicals that seep into crops

• Lower soil moisture levels

What is meant by 'PM2.5 particles' in the context of air pollution?

• Particles larger than 10 microns

• Small particles that can enter the respiratory tract

• Invisible hazardous gases

• Water molecules in the air

What can be done to reduce air pollution from vehicles?

• Encourage the use of electric vehicles and public transport

• Increase the number of vehicles

• Use cheaper fuels

• Reduce fuel quality

What is the main factor contributing to water pollution in agricultural areas?

• Burning waste

• Use of agricultural chemicals like fertilizers and pesticides

• Use of heavy vehicles

• Infrastructure construction