2.1 Environmental Studies- The atmosphere- The composition of the atmosphere

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A P B C T H E R M O S P H E R E B E R M Y
H S X S O K V F T R O P O S P H E R E D D
C T X B Q G F D W Q O H D X D N A E L I R
F R R W Y L V U D Z D J Y Y W R J F C O P
T A M B N E J J O X S I N V F U G T R O M
Y T L C E F N N U C L E A R F U S I O N U
D O C B G L E H K C O P M M C K R A U S J
C S T H Y I Y S I H S I I V P G V F W R N
A P H D X E A O P E D O C J L P W S E P A
R H W F O R Y B D Q Q A E Y Q N W G A T F
B E E W O E N H G N G Q Q T K Y B F V G J
O R L O U H H I M I W H U G R J X P I Q I
N E R T T P K P M T X O I C H Q B L S X S
D T C T G S Y Y P R E O L L B T W U N Y J
I K M T Y O B N D O H R I V I U K N S Y I
O H J L F S C L N G D I B I W L U Y F T P
X C G U S E F M P E E R R D X B A E T O U
I S M J K M V K E N Q L I E O V Q D S S O
D C V X E J E P J X M N U C V F C B R B C
E C L D E R D X M S S F M F G I A I P K D
M A V M H C O V C L T I I S E Y E P V E F

Clues

  • A combination of active processes that cancel out each others effects so that there is no overall change. (7, 11)
  • The layer of the atmosphere that absorbs UV and contains the ozone layer, temperature increases with altitude here. (12)
  • The layer of the atmosphere where meteors burn up, temperature decreases with altitude here. (10)
  • The layer of the atmosphere where the weather occurs, temperature decreases with altitude here. (11)
  • The layer of the atmosphere where X-rays are absorbed, space shuttles orbit here. (12)
  • The release of energy during the joining of the nuclei of small atoms (7, 6)
  • This gas makes up 0.000007% of the atmosphere, and absorbs UV light in the stratosphere. (5)
  • This gas makes up 0.038% of the atmosphere, and is used in phosynthesis. (6, 7)
  • This gas makes up 21% of the atmosphere, and is used in aerobic respiration. (6)
  • This gas makes up 78% of the atmosphere, and is part of proteins. (8)

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