Nucleotides are the basic unit of which macromolecules?

Nucleic acid

Explanation:

Nucleotides are the basic unit of Nucleic acid

A nucleotide consists of three groups –  

a)5-carbon sugar (ribose or deoxyribose)

b)a nitrogen-rich base   - There are four nitrogen rich base namely cytosine (C), guanine (G), adenine (A), thymine (T)

c)and a phosphate group

The nucleotides are the repeating units of a nucleic acid and  therefore a nucleic acid can be considered as polymer while a nucleotide becomes its monomer unit.

some of your causes might be acidic rain or natural wildfires that cause the parks to be degraded

hope this any more questions i am here plz mark brainliest

the missing space is phylum