Water Pollution

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  • Created by: 8AED0504
  • Created on: 20-03-18 11:15
J X B G P B Y N G R J B U V P S V S C D Q
J C A H J O N N W G H Q E Y J T D S C I M
I N O R G A N I C N U T R I E N T S C L O
H G K M H K J S Y S W E C Q N W E O E J O
T I P V P E R S I S T E N C E D Y C A C D
L F O S G P X W M H F G L R I B R T C K G
U T Q A W V M A R H K J G R M U B J T F B
V B U W A M B E K A B J O H O N P L I A F
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
H R V B I P W A K C P N K I T B E I T T K
G Y S D Q G P R O V I C L V O M U O E T E
A Y S W H U J N P O Y I N R O L T T D J Q
G V N M L I A X P K B U E C O F R I S W V
Q S K H H G S S M U M A L M Y U O C L E N
T T Y K R X Y X L A N F O F H L P I U Q K
W C H O G F F O Y A L F A G X H H N D H J
K N F G G Q S M J T K C V S Q O I D G P L
W E Q U P Y N B I E N S V U K P C E E K Q
U D G N F M M W K I I R L L O M R X S L G
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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