The earth is surrounded by a layer of gases called the atmosphere. The atmosphere is very important to life on Earth and does many things to help protect life and help life to survive. A Big Blanket. The atmosphere protects Earth like a big blanket of insulation.
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1 Standard 120-volt outlets: It will cost approximately $100 to install a 120-volt outlet off of a nearby circuit. 2  Installing a new 120-volt circuit on an electrical panel will run you about $185. Heavy-duty 220 or 240-volt outlets: $300 or more for an outlet running off of a nearby outlet; $600 or more to upgrade the existing panel, which includes adding a 220 to 240 volt circuit, running the conduit, and installing a new receptacle.