Which are the characteristics of a maritime polar air mass?
a. cold and humid air
b. cold and dry air
c. warm and humid air
d. warm and dry air

What links the two strands in a dna helix together in the middle? a. phosphate groups b. sugar rings bonded together c. proteins d. bases with hydrogen bonds

What type of competition exsist between two species. turtles and fish

Monomers are the building blocks of larger molecules, called polymers. for example, proteins are composed of chains of amino acids that are linked together. cellulose is a polymer that makes up plant cell walls. cellulose is made from a chain of c6h10o5 molecules. which monomers are most likely used to produce cellulose? why?