Why a marble would be a good representaion of the inner core

Which is the layer underground where all empty spaces are filled with a combination of air and water ?

At stp, which substance is the best conductor of electricity? a. nitrogen b. neon c. sulfur d. silver

Many free radicals combine to form molecules that do not contain any unpaired electrons. the driving force for the radical–radical combination reaction is the formation of a new electron‑pair bond. consider the chemical equation. n(g)+no(g)⟶nno(g) n(g)+no(g)⟶nno(g) write lewis formulas for the reactant and product species in the chemical equation. include nonbonding electrons. n(g)n(g) select draw rings more erase select draw rings more erase select draw rings more erase n no(g)