Water Pollution
- Created by: 8AED0504
- Created on: 20-03-18 11:15
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G | H | N | H | L | X | N | A | F | T | M | L | A | S | G | Y | L | C | V | G | K |
C | M | L | B | Y | O | I | R | Y | T | H | C | T | M | T | S | I | B | A | S | S |
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Q | S | K | H | H | G | S | S | M | U | M | A | L | M | Y | U | O | C | L | E | N |
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K | N | F | G | G | Q | S | M | J | T | K | C | V | S | Q | O | I | D | G | P | L |
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B | M | M | N | V | U | G | Q | N | T | D | Y | H | F | F | B | B | G | S | I | C |
Clues
- a group of insecticides based on chlorinated hydrocarbons, includes DDT (6, 9)
- a group of insecticides similar to the natural pyrethrins produced by the flowers of pyrethums (Chrysanthenum) (13)
- a localised or stationary source of pollution (5, 6)
- a scale for showing the quality of an environment by indicating the types of organisms present in it (6, 5)
- being rich in nutrients and minerals and therefore causing an excessive growth of algae and diminished oxygen content (9)
- doesn't involve or require oxygen (9)
- measurement of how much a substance will dissolve in a given amount of liquid (10)
- non- carbon chemicals needed for plant growth (9, 9)
- the continued or prolonged existence of a chemical in the environment (11)
- type of wastewater treatment process for treating sewage or industrial wastewaters using aeration and floculation (9, 6)
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