Which statements describe the planets? Check all that apply. Mars and Venus are mostly rock.
The ancient Greeks discovered all the planets in the solar system.
Saturn is classified as a gas giant.
Jupiter is mostly rock surrounded by clouds.
Pluto is considered a dwarf planet.
Earth is much smaller than Uranus.

14. complete and balance the equations for the single displacement reactions. a. zn + pb(no3)2 -> b. al + niso4 -> 15. complete and balance the equations for the double displacement reactions. a. agno3(aq) + nacl(aq) -> b. mg(no3)2(aq) + koh(aq) -> 16. complete and balance the equations for the combustion reactions. a. __ ch4 + o2 -> b. __ c3h6 + o2 -> c. + o2 ->

What must happen before a body cell can begin mitotic cell division

Achange in the number of neutrons in an atom will change an blank . when the number of protons changes in an atom, a new element will form.