Answer:
question 1: true
question 2: false
question 3: true
question 4: false
question 5: true
Explanation:
question 1: some of the fertilizers used in the agriculture contains radioactive elements such as uranium, radium and thorium.
question 2: sewage are sent to a municipal wastewater management and treated before disposing it into the lakes,rivers and seas.
question 3: A sewer system is a network of pipelines that collect and transport the sewage and wastewater from houses and commercial buildings to a wastewater treatment plant.
question 4: sewage systems are more likely to be below the road and open drainage systems are build to serve as stormwater runoffs
question 5: the house wastewater contains microscopic bacteria that may be responsible for wastewater diseases such as typhoid, cholera, etc. and the wastewater that is sent out from agricultural fields may contain radioactive elements and other chemicals that are responsible for diseases like chronic kidney disease (CKD)
