A large molecule made up of smaller molecules is called a macromolecule. Macromolecules are also sometimes called polymers.
11a+9=4a+30
11a-4a=30-9
7a=21
a=3
The answer is: " biogeography " .
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Organic compounds are used as building blocks for. Answer : Organic compounds are compounds that contain Carbon, C and contain Hydrogen, H as well. ... This leaves us with choice 4, indeed, proteins, starches and fats are organic compounds.