captain cohesive

captain cohesive
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  • No rain means no transpiration for my plants
  • My harvest will never be successful because of this drought...
  • I'm going to need a superhero... and fast!
  • Yes, it is  me! I am here to bring some rain and show you  cohesion in transpiration.  Scientists call the explanation for how water moves through plants the  cohesion-tension theory. 
  • Captain Cohesion?!?!?!
  • Negative water potential draws water into the root hairs. Cohesion and adhesion draw water up the xylem. Transpiration draws water from the leaf. Hydrogen bonds cause water to be exceptionally attracted to each other. Therefore, water is very cohesive. We see evidence of water’s cohesiveness every day – in water drops and in streams of water. 
  • Look, I will show you. 
  • Is that why you are called Captain Cohesion?
  • Yes, that is why. Remember, cohesion  is the result of capillary action  which is vital   for plant life. 
  • Wow! My plants  already grew.  Without you,   there would be no cohesion.  
  • Thanks to Captain Cohesion my plants will be successful!
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