a:  Carbohydrates ~
b:  a fully charged battery
What:  
"Carbohydrates are similar to a fully charged battery, while a water molecule is like a dead battery. But water is a rechargable battery. Plants can recharge it into a carbohydrate. That's the energy-related value of water"
Useful?
Writer:  Not Stated
LCC: 
Where:
Date:   Nov 4 2017  10:40 AM
# 11579 Critique Analogy
