Question

How is the last sentence of the article, ???Some of the things I have seen I am quite familiar with, and some I am not," an appropriate development of the article's ideas at that point?

Answer 1

Answer: it restates the main idea: that Edison made many older inventions that led to newer, less familiar ones.

Step-by-step explanation:

Answer 2

The answer is that it restates the main idea: that Edison made many older inventions that led to newer, less familiar ones.