Thomas Alva Edison<span> (February 11, 1847 – October 18, 1931) was an American inventor and businessman, who has been described as America’s greatest inventor.</span><span> He developed many devices that greatly influenced life around the world, including the </span>phonograph<span>, the </span>motion picture camera<span>, and the long-lasting, practical electric </span>light bulb<span>. </span><span>the most important thing to be successful is his famous quote:
</span><span>Genius is one percent inspiration and ninety-nine percent perspiration.</span>
Answer:
Johannesburg has a delightfully mild climate, neither humid nor too hot. There are about six weeks of chill in mid-winter
Increased use of insulation in a home is very useful when it comes to having a better quality air in the home. With proper insulation, lots of the things that can cause an air pollution are neutralized. Dust and other pollutants are stopped on the filters and they can not get inside, thus allowing you to have a better quality air indoors.
