Answer:
[tex]0^\circ C[/tex]
Explanation:
Dry adiabatic lapse rate is defined as:
[tex]\Gamma = 9.8 ^\circ C/km[/tex]
The air rises 3000 m, that is 3 km.
If it cools [tex]9.8 ^\circ C[/tex] each km its temperature drops approximately [tex]30 ^\circ C[/tex]. From 30 to 0.