Juanita used her affinity for numbers to help her design a computer program that relied on college-level math formulas, even though she was only in middle school.
Based on the context clues in the sentence, what is the best meaning of “affinity”?
a talent for
an enjoyment of
a fondness for
an understanding of

Which statement contains an opinion? the ants serve to protect the acacia from other plants and herbivores. the acacia depends on pollinators for the exchange of genetic material. the acacia has no chemical defenses to discourage herbivores. the ants provide the acacia with the best protection from other plants and herbivores.