[填空题]
The temperature within the a.pv*2s yu9omufww uwm8e./xi +f 2w0Earth’s crust increasey foq l7*l:y59c)ioqs,v0l le s about 1.0 C$^{\circ} $ for each 30 m of depth. The thermal conductivity of the crust is $0.80\,W/C^{\circ} \cdot\,m$
(a) Determine the heat transferred from the interior to the surface for the entire Earth in 1 day. $ \times10^{18 }\,J$
(b) Compare this heat to the amount of energy incident on the Earth in 1 day due to radiation from the Sun.$Q_{Sun}$ = $ \times10^{4 }\,Q_{interior}$