Match these items together -paired set
-electron exchange
-"blueprint" molecules
-hydrolysis
-dna
-sugar and phosphate
-fats
-electron sharing
-synthesis
-monosaccharides
-polysaccharides
•simple sugars
•complex sugars
•most highly concentrated •energy source
•polymerization
•decomposition
•dna "upright"
•dna "rung"
•nucleic acids
•double-stranded
•ionic bonding
•covalent bonding

The corect matching is given below

Explanation:

Electron exchange     ionic bonding

Blueprint molecules    nucleic acids

hydrolysis                       decomposition

DNA                                 double stranded

sugar and phosphate    DNA rungs

fats                                  energy source

electron sharing              covalent bond

synthesis                          polymerization

monosaccharides             simple sugars

polysaccharides               complex sugars  

the answer is tropical areas. the tropical areas obtain more

radiant energy from the sun than they lose to space through terrestrial

radiation, and vice versa for polar areas. earth has an energy remaining in the

tropics and an energy scarcity for the polar areas.

explanation: