What is the tone of Walker’s story? By what means does the author communicate it?

Which of the following expresses a central idea of the article “are our phones making us zombies? ”

The phrase, "the longest journey begins with a single step" means

Read the sentence. on days when i go jogging in the morning, my mind seems to process ideas faster, and my mood is more positive. how does the underlined clause add variety and meaning to the sentence? select two options. it describes the days being discussed. it makes readers want to go jogging. it creates a compound-complex sentence. it adds detail about the speaker's personality. it explains why jogging is beneficial.