Oxygen is the upper atmosphere is converted into ozone. The zone of atmosphere in which ozone layer is present is Stratosphere. The proportion of nitrogen in dry air is 78%. Thickness…

The climate of Pakistan is mostly referred as hot and dry. Nearest part of atmosphere to earth is called Troposphere. Oxygen by volume has a presence in the atmosphere of about…

Name the Asian Country which is not a member of UNO: Taiwan The process by which substance absorb moisture upon exposure atmosphere is known as deliquescence. Ecosystem refers to Earth environment.…

192nd member of UNO is: Montenegro 193rd member of UNO is: South Sudan The UNO library is known as: Dag Hammarskjold library The Secretary General of UNO is elected by the…

The UNO University is located at: Tokyo The UNO library is located at: New York The smallest UNO member in terms of population is: Nauru The smallest UNO member in terms…

First Amendment to the Constitution of Pakistan is related to___________Demarcation of border of Pakistan The term of President and Vice President of UNO General Assembly is for: 1 Year The main…

In Sedimentary rocks limestone is found. Wind flow around areas of high pressure in the Northern Hemisphere in clockwise direction. Sedimentary rocks are porous. Desert movement is the resultant feature of…

The second most abundant metal found in the earth’s crust is Aluminum. Algae is responsible for the largest amount of oxygen of earth. The blanket of air which surrounds the earth…

When the days and nights are equal the rays of the sun directly fall on the equator. Crust is earth outer layer. Heat of sun-rays to earth is reduced by ozone…

The Aurora Borealis occurs in the Exosphere. The world has been divided into 24 time zones. Zero longitude on the Greenland is known as Prime Meridian. Al-Biruni discovered the radius of…