Dinosaurs lived and evolved for over 185 million years unitl they became extinct. The cause has not been proven yet, but many believe that an asteroid Over 9 miles wide hit the earth In the Gulf of Mexico. Just one over 5,000 facts from the site.

http://www.dinosaurfact.net

Recycling, bio fuels, global warming, and energy conservation. Other related topics may be, carbon dioxside questions, energy reduction, questions on trees and plants, algae(the wonder plant), and what u can do to help or get involved.

http://www.iqgeeks.com

management science, there s no better way.high life with management science

http://managementscience.maxximum.org