Insulating brick has a thermal conductivity of 0.15 W/(m*K). How thick would a 8 m^2 wall need to be to have a heat flow of 20 watts when the
temperature when the temperatures on either side are 250 degrees C and
20 degrees C?*

Aand b antarctica is a north pole.  field lines enter earth near the north pole.the magnetic pole near antarctica is a north pole.compasses point toward a magnetic pole that is a north pole.field lines circle earth from east to west.a compass can lead a hiker to the geographic north pole.

Its takes b. 12-18 hours for your body to set to below 0, and only 48 hours for your body to complete be gone.