Answer:
"Creating more paved surfaces"
Option C will be the answer
A physician who specializes in treatment of the gums is called a periodontist.
Mutations result either from errors in DNA replication or from the damaging effects of mutagens, such as chemicals and radiation, which react with DNA and change the structures of individual nucleotides. All cells possess DNA-repair enzymes that attempt to minimize the number of mutations that occur
The answer is B. Hydrogen Bonds
