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What else can I help you with?
How has the air quality changed in the United States in the last 30 years?
In the last 30 years air quality has generally improved. Amount of most major air pollutants have decreased. Many newer cars cause less pollution.
When is Oprah Winfrey going to have her last show?
After 25 years on the air, Oprah's last original show will air May 25, 2011. Many wonder who her final guest(s) will be and as of lately it has not been announced.
How long normally does air conditioner last?
When well-maintained it can last for ten years.
How many years did Ronald Reagan play as an actor?
His first credited movie was "Love is on the Air" (1937), and his last was "The Killers"(1964), so that would span 27 years
Can you patent an air freshener?
Yes, if you have a new and non-obvious chemical or mechanical way to improve the art, you may be entitled to a patent.
How long to sugar crystals last?
Provided it is stored out of sunlight in an air tight container sugar will last for years.
How long should freon last in your 5000btu window air conditioner?
10 years
How many years will a semi truck last?
A well maintained one can last for several years. I know lots of people who drive trucks which were manufactured in the 1980s... they may have replaced motors and added air ride suspensions, but the basic truck is still the same as what they bought over 20 years ago.
Who invented the first air bags?
The first successful automobile air bag patent is held by Allen Breed.
How many years was Billy Bretherton in the air force?
4 years.
How many years has Who Wants To Be a Millionaire been on the air?
42 years
What has been done in the last thirty years to reduce air pollution in the US?
Restrictions on CFC's.
