An electric heater rated at 1000 watts (1 kilowatt), operating for one hour uses one kilowatt-hour (equivalent to 3.6 megajoules) of energy. A television rated at 100 watts operating for 10 hours continuously uses one kilowatt-hour. A 40-watt light bulb operating continuously for 25 hours uses one kilowatt-hour.
Ozone is a gas that occurs both in the Earth's upper atmosphere and at ground level. Ozone can be good or bad for your health and the environment, depending on its location in the atmosphere.
Effects on the Ozone Layer. The ozone layer helps to protect life on earth from the sunâs ultraviolet rays, but human activities have contributed to the accelerated depletion of this protective shield.he ozone layer helps to protect life on earth from the sunâs ultraviolet rays, but human activities have contributed to the accelerated depletion of this protective shield.