1. If the core is extinguished, the earth's geothermal energy will be unbalanced, and the earth will be destroyed if it is seriously damaged. The temperature of the core will burn the atmosphere, and the released substances will destroy the ozone layer.
2. When the core of the earth goes out, the earth will stop rotating and lose its gravity and atmosphere.
3. If the core of the earth does not rotate, the magnetic field will disappear, human life will be seriously affected, and a large number of animals will have different strong reactions.