Drawing Skill

MATHEMATICIAN

                                        ARYABHATA

Aryabhata was the first among the great Indian mathematicians. He lived from 475 to 550 A.D near Patna. He was the first person to present arithmetic,algebra and geometry in his astrological calculations. He had written four famous books on mathematics. These are Arybhatyia which is a collection of astronomical tables, Aryastasata which is a note on numeration in arithmetic,Kalakriya   which is a note on time and measurement,and Gola which is a note on the sphere.          

NATURE

Nature in the broadest sense, is the natural, physical, or material world or universe. "Nature" can refer to the phenomena of the physical world, and also to life in general. The study of nature is a large part of science. Although humans are part of nature, human activity is often understood as a separate category  from other natural phenomena.

What is Global Warming?

Global Warming is the increase of Earth's average surface temperature due to effect of greenhouse gases, such as carbon dioxide emissions from burning fossil fuels or from deforestation, which trap heat that would otherwise escape from Earth.