Phenotype
Genotype makes up the genetic constitution of an individual. (Cannot observe with the naked eye)
<span>Hydrocarbon structure</span>
Definite article is used before a noun (person place or thing) to indicate that the identity of the noun is known to the reader.
indefinite article is used before a noun that is general or when its identity is not known.
Answer:
D: Nonpolar covalent bonds involve two atoms that have equal electonegativity whereas polar covalent bonds involve two atoms that are unequal in their electronegativity.
Explanation: