introduction to water pollution and diseases

Question 1

what is water pollution

Answer 1

when harmful substances which are often harmful or toxic enter a water source degrading its quality and rendering it toxic to humans or the environment

Question 2

what are the two types of water sources and what types of pollutants are they susceptible too?

Answer 2

ground water: aquifer. fertilizers, pesticides, nuclear weapons
surface water: lakes… radio active substances, marine debris, oil

Question 3

what are the 6 types of water pollutants

Answer 3

1. multiple spills
2. argiculture
3. natural contaminants, biological contaminants
4. mining
5. hazardous waste
6. urban waste water in developing and emerging countries

Question 4

give examples of sources of water pollution

Answer 4

oil spills, abandoned mines, residential buildings, septic tanks, fertilizer, plants, factories, landfills

Question 5

what is the impact of water pollution on human health

Answer 5

increased water diseases, increased dehydration, increased starvation, lower yield

Question 6

contaminated water and poor sanitation are linked to transmission of what diseases

Answer 6

cholera, Diarrhoea, dysentery, Hep A, typhoid, polio

transmission of acute and chronic caused by parasitic worms

vector-borne diseases

acute toxicity

chronic toxicity that can lead to cancer

Question 7

what are consequences of water pollution

Answer 7

biomagnification in food chain, diverse health effects

contamination of ground and surface water with biologically active chemicals = accidental poisoning

cancer, human health effects

long-term contamination of drinking water resources

human health, child mortality, malnutrition

Question 8

what is schistosomiasis

Answer 8

acute and chronic disease caused by parasitic worms, people are infected during routine agricultural, domestic, occupation and recreational activities.

Question 9

what type of disease is malaria

Answer 9

vector-borne