A layer of hot rock. The upper most part of the mantle and the crust together form a rigid layer. Like a road tar softened by the heat of the sun, this part of the mantel is somewhat soft - it can bend like plastic. Is a layer of molten metal that surrounds the inner core. Is a dense ball of solid metal.
In many countries, including Canada, having smoke and carbon monoxide detectors in the house is the law. The reason is simple: these alarms save lives. Many house fires occur at night. If there is no smoke detector, those sleeping in the house may not notice the fire and will be overwhelmed by smoke.
Make sure that all your fuel burning appliances and heating devices are properly vented and maintained. Know the symptoms of CO poisoning. Finally, to detect potentially deadly conditions, install and maintain CO alarms in your home in accordance with Minnesota's CO alarm law.ake sure that all your fuel burning appliances and heating devices are properly vented and maintained. Know the symptoms of CO poisoning. Finally, to detect potentially deadly conditions, install and maintain CO alarms in your home in accordance with Minnesota's CO alarm law.