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.
I have been asked to speak to you today about asbestos and its effects on human health. First, I'll explain what asbestos is and why it's important to understand the dangers of. asbestos exposure. Then, Iâll talk about its past and present uses and why it continues to. be a health concern today. Iâll also tell you about different types of asbestos-related. diseases.