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

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

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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