The mass of the sun is 2x10 kg , and the distance between neptune and the sun is 30 au . what is the orbital period of neptune in earth years ?

Explain the source of radioactivity in uranium in earth’s crust by which it produces nuclear radiation

Why is earth's outer core hotter than earth’s oceanic crust? earth’s oceanic crust is denser than earth’s outer core is. earth’s oceanic crust has lava flowing from the mantle. earth’s outer core has a composition of solid iron and nickel. earth’s outer core is deeper within earth than oceanic crust is.

What is used as a template during replication? a- mrna b- trna c- rrna d- dna