In which layer does the temperature vary the most?
a crust
b mantle
c inner core
d. outer core

The necleus of an atom is made up of what subatomic particles?

Matter is needed to transfer thermal energy bya. conductionb. convectionc. radiation d. both a & b.

Estimate the schwarzschild radius (in kilometers) for a mini-black hole formed when a superadvanced civilization decides to punish you (unfairly) by squeezing you until you become so small that you disappear inside your own event horizon. (assume that the your weight is 50 kg)