backfire can be caused by choke not shutting off completely, also could have a bad distributor cap, bad spark plugs, bad ignition condensor, bad plug leads, or to much fuel getting to carburetor system Consider getting yourself a service manual as it contains many troubleshooting for your car.
Median age* of the population. Over the past 50 years, the median age of the world's population has increased by a mere three years, from 23.6 in 1950 to 26.4 in 2000. (The median marks the point where half the population is older than that age and half is younger). But over the next 50 years, the median age will jump to 37, according to the latest projections made by the United Nations. By 2050, 17 developed countries are expected to have a median age of 50 or more.
17 year member. 2056 answers. The median age is 24.3 years. The world's population is aging relatively quickly. From 1950 to 2000, the percentage of children 0-14 in the world fell from 34 percent of total world population to only 30 percent, while the number of people over 60 increased from 8 percent to 10 percent.