Answer: i think its C. but find another source just in case.
Carbohydrates monomer is polymer made up of monomers called monosaccharides.
<span>Almost all weather occurs in the lower layer of the atmosphere (the Troposphere), with the exception of large storms like hurricanes or large thunderstorms (whose clouds have great vertical development and reach the Stratosphere.)</span>
A serous membrane contains both epithelial and connective tissue
