Why is radioactive dating important when approximating the age of Earth?

In the play "sorry wrong number"which part of the story can you find heightened tension and suspense?

Have you ever thought you understood a person based on a story that you have heard about them? have you ever guessed about a person's personal life because of the clothes they wore? or, have you judged a person because of their friends? although classifying people in this way is typically discouraged, authors deliberately use your preconceived ideas to you form an opinion about the character or to at least have a better understanding. can you think of a time that you made a character call about someone based on external aspects? were you correct, or incorrect? has anyone ever made an incorrect assessment of you based on external aspects? write two paragraphs about it in your journal.

Based on his npr interview,"astrophysicist chroniclesbattle over pluto," why does dr. tyson believe that pluto is america's favorite planet?