Community
Water
Contamination
Organic
Waste
100
What is an ideal place, especially one with ideal social conditions?
What is utopia
100
What is another term for pollution?
What is contamination?
100
What is another term of poisonous?
What is toxic?
100
What is term used for planting subsequently different crops in one area?
What is cycling?
100
What are one-celled plants that live in water?
What are algae?
200
What is it to be socially excluded?
What is to be ostracized?
200
What is the beginning of a river?
What is the headwaters?
200
What is the maximum amount of a substance allowed?
What is tolerance?
200
What is the substance used to kill bugs and diseases on plants called?
What is pesticide?
200
What is the system for maintaining clean and healthy conditions?
What is sanitation?
300
What is the idea or concept of living in an environmentally conscious and careful way?
What is sustainability?
300
What is side-rivers of a major river?
What is tributaries?
300
What is it to come in contact with a toxic substance?
What is exposure?
300
What are the plants that are not desired in farming and tend to interfere with it to some degree?
What are weeds?
300
What is the processing of repurposing and reusing old materials?
What is recycling?
400
What is a place with trees and water in the desert?
What is an oasis?
400
What is the vegetation along the banks of a river?
What is natural flood control?
400
What is another word for "dangers" of a particular substance?
What is hazards?
400
What is another term for vegetables and fruits?
What is produce?
400
What is the dirty water that comes from use in houses or industrial complexes?
What is sewage?
500
What is an exemplary community--one that tries to be an example for the rest of the world.
What is a model community?
500
What is filling a river with soil and other particles?
What is silting?
500
What is a substance that causes cancer?
What is a carcinogen?
500
What is the density of substances such as vitamins and minerals in fruits and vegetables?
What is nutritional value?
500
What is throwing trash in the streets or in waste sites, sometimes illegal?
What is dumping?
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