What evidence does the author provide that supports the idea that Marie Curie's accomplishments are still important today?

By comparing part 1 and 2 of polar opposites what does it mean by polar opposites

Meter you are working as an apprentice for the bksb newcastle arena. an indoor sport exhibition is coming to the arena. your supervisor has asked you to set up a handball pitch and seating area as shown in the plan view below

Which two of these excerpts from homer’s odyssey depict the gods’ involvement in mortal affairs?