How does heat flow through Earth's inner and outer cores? A. inner core: conduction
outer core: convection and conduction
B. inner core: radiation
outer core: convection and conduction

C. inner core: conduction
outer core: conduction and radiation
D. inner core: convection
outer core: convection and conduction

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.