How can changing the shape of an object lower its overall density?

What is the formula that this ionic compounds could form sr2+p3-o2-

The pressure in a fluid is affected by which characteristics of that fluid

Which of the following is not a true statement about dwarf planets? a the kuiper belt contains comets, asteroids, and dwarf planets. b ceres is a dwarf planet located in the kuiper belt. c the largest known dwarf planet in the solar system is named eris.