Break down a pedigree chart..30 points because i'm generous : p

Aprisoner is forced to go into one of three rooms, but he can choose which room. the first room is ablaze with fire. the second one is rigged with explosives that will go off as soon as he enters. the third contains a pair of lions who haven't eaten in years. which room should he choose to survive?

Why are nonmetals more likely to react with eachother by sharing electrons

Preciso de ajuda na parte de termometria e tenho prova amanhã ajuda ae prf