Questions

The thinnest layer is crust. It is about 100km. Where as mantle ranges upto 2900 km and the inner most core ranges upto 6300km.

The English scientist Tim Berners-Lee invented the WWW in 1989. The World Wide Web, also known as the WWW and the Web, is an information space where documents and other web resources are identified by Uniform Resource Locators, interlinked by hypertext links, and accessible via the Internet.

The Mayans were an ancient civilization located in what is known as Mesoamerica, a geographical region comprised of Mexico and parts of Central America. They were extremely adept in matters of mathematics, astronomy, and art, and architecture.

The Mayan pyramids and temples were built with bricks and covered with limestone.

Indus Valley Civilization flourished during 2500-1750 B.C. Indus Valley Civilization is also called as Bronze age civilization.