Me .

why does earth rotate?

a.)because earth is formed from cold gases collapsing due to gravity

b.)because the matter in the nebula that formed earth was spinning

c.)because earth forms more than 99% of the mass of the solar system

d.)because the hydrogen atoms inside the nebula fused to form helium

Which statement correctly describes the phosphate ion, ? it is composed of one phosphorus atom and four oxygen atoms covalently bonded together, and there is a –3 charge distributed over the entire ion. it is composed of one phosphorus atom and four oxygen atoms covalently bonded together, and there is a –3 charge on the phosphorus atom. it is composed of one phosphorus atom and four oxygen atoms ionically bonded together, and there is a –3 charge distributed over the entire ion. it is composed of one phosphorus atom and four oxygen atoms ionically bonded together, and there is a –3 charge on the phosphorus atom.