The new police chief held a meeting to introduce himself.

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?

Did the universe cool off or get hotter as it expanded after the 'big bang"?

Remote sensing of the earth's surface and atmosphere may involve the use of what type of instruments?