What empire 500 years ago had no real concept of money? what was the unit of value in this empire?

Bulge that takes place in parts of Earth facing or opposite the moon

As Europe's forests have been cleared, what have they been turned in to

Who was one of the founders of the location-sharing site Foursquare? Dennis Crowley Aaron Swartz Josh Williams Scott Raymond Done answer A.

An earthquake can cause which type of wave? A. a barrier wave B. a seismic wave C. a thermal wave D. a diffraction wave

Hurricanes, snowstorms, flooding fall into this type of hazard category:

Most common form of government found in Africa today

When were the chocolate hills discovered?

maria receives a cake order for charity event from a company. She uses 375g of flour, 250g of cocoa powder and 300g chocolate for a one kilogram cake. If the company orders a 7kg cake, what is the ratio of each of the ingredients that she needs?

How many states are north of the equator

Explain how the types of mountain landforms are related to one another.