Read this excerpt from A Black Hole Is NOT a Hole.

Certain things are invisible to us because our eyes just can't sense them. You don't see beams of infrared light shooting across the room from your remote control to the TV, for example, or radio waves streaming off everyone's cell phone.

What is the most likely reason why the author provides real-life examples in this excerpt?

They allow readers to understand how people’s eyes work.
They remind readers of how technology affects their own lives.
They describe the path of infrared light beams from a remote control to a TV.
They help readers connect to the idea that human eyes cannot see everything.

In henrik ibsen's a doll's house, there are numerous references to dolls. nora mentions how she has bought dolls for her daughter, emmy. she also refers to her children as "nice little dolly children." which interpretation of this reference to dolls is the most plausible? a. the dolls symbolize nora’s childhood. they are a reminder of nora’s father and how he made her happy with dolls every time she was sad or upset. b. the dolls symbolize the deceptive ways in which nora pretends to live in a nice world even though she engages in criminal activity. c. the dolls symbolize both nora and her children. just as nora is a toy and plaything for torvald, her children seem to be her toys and playthings. d. the dolls symbolize nora's indifference toward her children. instead of nourishing her children with love, nora uses the dolls to show them her affection.

Which three sentences in this excerpt from arthur conan doyle's "the contest" suggest that the author's tone is mocking?

What do mcmahon’s references to thomas carlyle and john stuart mill do for his own image and credibility?