Select the option that is related to the third term in the same way as the second term is related to the first term?
Gravity : Discovery :: Telephone : ?

Correct option is B

Given Pair: Gravity : Discovery
Gravity is a concept that was discovered by scientists (primarily Sir Isaac Newton).
Second Pair: Telephone : ?
We need to find a term that relates to the telephone in a similar way that "discovery" relates to "gravity."
The telephone is primarily associated with the act of inventing, as it was invented by Alexander Graham Bell.
Conclusion: Thus, the term that relates to the telephone in the same way "discovery" relates to gravity is Invention.
The correct answer is: (b) Invention.