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wrote...
Posts: 590
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A year ago
Inhalation is always ____ while exhalation is usually ____.
 
  a. active; active
  b. active; passive
  c. passive; active
  d. passive; passive
  e. variable depending on oxygen content; fixed

Question 2

The smallest adult chelicerates are:
 
  a. horseshoe crabs
  b. mites
  c. scorpions
  d. spiders
  e. ticks
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wrote...
Top Poster
Posts: 672
Rep: 1 0
A year ago
Answer to q. 1

b

Answer to q. 2

b
1
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