socio economic pakistan

Stevia is a plant and the best source of natural sweeteners. It is widely grown for its sweet leaves.   It can also grow in contain...

The Sayano–Shushenskaya Dam (Russian: Сая́но-Шу́шенская гидроэлектроста́нция, Sayano-Shushenskaya Gidroelektrostantsiya) is located on ...