What three traits do they most commonly breed popcorn plants to have? ?

Ppcc assigned a story board on eg.ppcc.edu about a post-apocalyptic world called the books of wisdom. i was wondering if anyone had any advice on how to do well. also is there a way to change you name?

Explain how earth is like a giant bar magnet. how is our magnetic field made?

Summarize the work of famous environmental scientists of the past.