General Knowledge Questions

F2 is a shortcut to rename selected object in MSwindows 8 and higher versions

Gravitational force is the force that binds everything at the surface of the earth. It holds at what distance from the earth is gravity zero. 

Napa valley in California famous for wine.

Smallest particles of matter are known as quarks and leptons that seem to be the fundamental building blocks. This is too small to measure but bigger than 0. This is ofen consider as fundamental building blocks and something even smaller.

The Berlin Conference of 1884–85 was a meeting between European nations to create rules on how to peacefully divide Africa among them for colonization. The conference was convened by Portugal but led by Otto von Bismarck, chancellor of the newly united Germany. 

The 14 countries that attended included all the major European powers, as well as Russia, Turkey and the United States. The conference began with a dispute about the Congo River basin.Slavery was forbidden throughout Africa. The attendees agreed upon a principle of effective occupation by which rights over African colonies would be assessed.

Before the conference, about 80 percent of African territory was still in local hands. By 1902, European powers controlled 90 percent of Africa.