Define cell and atom any Indian here​

From 1990 to 2008, by what percent did the world’s most developed economies cut their greenhouse gas emissions?

The dravidians descended from people who lived in

Human beings spread all around the world over a period of millions of years. identify when humans arrived in different regions of the world. 200,000 years ago 100,000 years ago 40,000 years ago 30,000 years ago