Here are the main ideas for each passage along with their corresponding responses:
Question 1
Main Idea: B. Dali’s paintings are full of mysterious objects.
Question 2
Main Idea: D. Milk cartons were once used to help find missing children.
Question 3
Main Idea: C. how father emperor penguins take care of their eggs.
Question 4
Main Idea: A. the first Seeing Eye dog in North America.
Question 5
Main Idea: A. Duchamp’s Fountain changed people’s ideas about art.
These responses encapsulate the essence of each passage and reflect the main ideas expressed.