<span><span> V = d/ t
</span><span> t = v/d
-> 2.00 * 10 ^ 10 s
divide by 3600 and by 24 to get days
->232414 days
divide by no of days in a year
giving 636 years approx. </span></span>
Wladimir Köppen was a German meteorologist, climatologist and botanist. He elaborated the Köppen climate classification system, which is still commonly used today to group climates into similar types (albeit with modifications). See also Climate.
<span>Earth's position and features are affected largely by the solar system. For example, gravitational actions from planets Saturn and Jupiter has changed the earth's tilt, which in turn affects the way in which sunlight reaches the planet and therefore alters climate, as well as the length of days. </span>
Mobutu Sese Seko improved Zaire's mining and industries but corruption prevented repayment of international
loans. In his final years
of rule, Zaire was largely reduced to a BARTER economy. Barter is an informal
trade or exchange of goods and services.
