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.
How to install carbon monoxide detectors: 1  Install at least one carbon monoxide detector on each level of your home. 2  Put a CO detector in or near each bedroom of your home. 3  Write the date purchased on the back of each alarm.4  Since carbon monoxide doesnât rise like smoke, CO detectors can be installed at any height in the room, including being 5  ... Wrhe best location for carbon monoxide detectors is near bedrooms so that you can be awoken by the sound of the siren when the alarm detects carbon monoxide in your home. Knowing where to properly place your carbon monoxide alarm is crucial.