Which event would most likely occur if earth did not retain the heat from its formation

As heat and pressure increase, ductile deformation becomes less likely becomes more likely is replaced by elastic deformation stops occurring

How are people today protected from wildfires like the large wildfires like the great fire of 1910are people today protected from large wildfires like the great fire of 1910? plz have the answer. this is important. you

Major river of southeast asia flowing through laos thailand vietnam and cambodia