united nations

The importance of maintaining the ecological balance and conservation of the resources has been increasingly becoming clear in the last two decades. It has now become necessary for all countries in the world to recognise this fact and plan what is known as 'sustainable development'. The Unite..

. This decrease has been linked TO synthetic chemicals LIKE chlorofluorocarbons (CFCs) which are used AS refrigerants AND IN fire extinguishers. IN 1987, the United Nations Environment Programme (UNEP) succeeded IN forging an agreement TO freeze CFC production AT 1986 level..

Sarojini Naidu was born on February 13 th in 1879 in Hyderabad. She was a political activist and played an active role in the freedom struggle of India. She was the first Indian woman to become the president of the Indian National Congress. In 1947, she became the governor of the ..

Era 1: Three Worlds Meet (Beginnings to 1620) Era 2: Colonization and Settlement (1585-1763) Era 3: Revolution and the New Nation (1754-1820s) Era 4: Expansion and Reform (1801-1861) Era 5: Civil War and Reconstruction (1850-1877) Era 6: The Development of the Industrial Unite..

Era 1: Three Worlds Meet (Beginnings to 1620) Era 2: Colonization and Settlement (1585-1763) Era 3: Revolution and the New Nation (1754-1820s) Era 4: Expansion and Reform (1801-1861) Era 5: Civil War and Reconstruction (1850-1877) Era 6: The Development of the Industrial Unite..

Era 1: Three Worlds Meet (Beginnings to 1620) Era 2: Colonization and Settlement (1585-1763) Era 3: Revolution and the New Nation (1754-1820s) Era 4: Expansion and Reform (1801-1861) Era 5: Civil War and Reconstruction (1850-1877) Era 6: The Development of the Industrial Unite..

Era 1: Three Worlds Meet (Beginnings to 1620) Era 2: Colonization and Settlement (1585-1763) Era 3: Revolution and the New Nation (1754-1820s) Era 4: Expansion and Reform (1801-1861) Era 5: Civil War and Reconstruction (1850-1877) Era 6: The Development of the Industrial Unite..

The branch of physics dealing with the study of optical phenomena is called optics. This can be divided into two categories, ray optics and wave optics. Wave optics describes the connection between waves and rays of light. The wave theory of light was put forth by Huygen and later modified by Frens..

The environment in which the man and other organisms live is called the biosphere. The biosphere is made up of different regions that have different types of flora (plants) and fauna (animals). The types of organisms in an area are determined by various factors such as the climate, temperature, ra..

Trigonometry is a fascinating tool, initially conceived from chords in a Unit-Circle it has wide applications and whenever space is involved Trigonometry is used irrespective of the area of interest. Trigonometry involves the study of concepts like the Sine, Cosine, Tangent and Cotangent..