Study the diagram, which represents the general equation for photosynthesis.
What do the letters Y and Z represent?
+
O Y - glucose
Z-oxygen
O Y - glucose
Z - carbon dioxide
O Y - carbon dioxide
Z - hydrogen
O Y - carbon dioxide
Z - oxygen

segmentation=endoskeleton=backbone=coelom=tissues

bal is blood alcohol level. bac will normally be higher in a person with more body fat. so the answer to your question would be, as body fat decreases, the increasing rate of bal decreases.  

carbon traps heat so more of it makes it hotter causing global warming. during the ice age carbon levels in the atmosphere were low so it got very cold. so the common things between them is carbon levels in the atmosphere.