What fraction of the population is due to unwanted or incidental pregnancy?
100
Overdraft.
What is draining a body of water before it is filled called?
100
Desalination
What is the process of removing salt from water called?
100
Nuclear Power Plants.
What is the most common source of thermal water pollution?
200
Shanghai, China
What is the most overpopulated city in the world?
200
17%
What percent of people live in an industrialized city?
200
Agricultural, industrial, residential
What are the three uses for water?
200
Sewage.
What is water that contains organic waste from humans and industry?
200
Thermal Pollution.
What is pollution from increased water temperature called?
300
#3
What is a cause of overpopulation?
#1: Moving Out
#2: Increased Death Rate
#3: Better Medical Facilities
#4: Poverty
300
1985
What year did the peoples' need for resources first exceed the supply?
300
Sending water through a screen to remove particles during water treatment
Define Filtration.
300
Agricultural
Source of pollution that includes pesticides, fertilizers, and animal wastes is..
300
Uranium.
What is the most common radioactive element?
400
#2
What is a possible solution to overpopulation?
#1: Build More Roads
#2: Move To Rural Areas
#3: Community Service
#4: Better Nutrition
400
36 Million. Most of them children.
How many people have died due to starvation last year?
400
Aeration
What is exposure of air to water called?
400
Dead Zone.
What is the area of water which no life exists called?
400
Leonardo Dicaprio
What acclaimed actor started a foundation in 1998 to promote awareness on major environmental issues and wrote and starred in the environmental issues documentary "11th Hour"?
500
13-17 Billion
If current birthrates are exercised, what will the estimated population be in 2100?
500
200,000
How much does the population grow each day?
500
Sludge
What is solid waste product found in sewage called?
500
Eutrophication.
What is the process of which a body of water is changed by excess plant nutrients called?