The earth revolves round the sun in its orbit by approximately 1-degree per day. Solar calendar is Gregorian type of calendar. When the earth reaches its perihelion, then it is nearest…

Study of Dreams : Orneirology The percentage of oxygen in atmosphere oxygen is approximately 21%. Atmosphere around the earth maintain its temperature. The Imaginary line on the earth’s surface which closely…

Study of Insects : Entomology Study of Algae : Phycology Study of Universe : Cosmology Study of Cancer : Oncology Study of Eggs : Oology Click for complete file of 300…

Study of Hairs: Trichology Study of Nails: Cosmetology Father of Blood group is: Landsteiner Father of Electricity is: B-Franklin Headquarter of International Standards Organization is located at: Switzerland Click for complete…

Father of law is: Cicer Father of C language is: Dennis Ritchie Father of Computer Science is: Allan Turning Father of Electronics is: Ray Tomlinson Study of Skin: Dermatology Click for…

City of lions is:  Singapore Emerald Island is known as: Ireland Empire city is: New York In which Country the flag of Pakistan was first visited: France Who created the first…

The four major components of the atmosphere are oxygen, nitrogen, carbon dioxide and argon. Increase in carbon dioxide in atmosphere causes rise the earth temperature. The velocity of winds is related…

Latitude and Longitude both run perpendicular to each other. One degree of longitude on the equator is equal to a distance of 69 miles. There are 181 lines of latitude on…

The International Date Line is located in the Pacific Ocean. The Earth is Oblate. In 23 h 56 min 4.9 sec the Earth completes one rotation on its axis. Day and…

The lunar eclipse occurs when earth comes between the sun and moon. Days and nights are equal throughout the globe when sun is above equator. Marine Ecosystem covers the largest area…