Which Indian Empire developed the concept of the zero in mathematics?

A. Guarana Empire

B. Gupta Empire

C. both A and B

D. neither A nor B

A right triangle has a base that is 11 inches and a height of 9 inches. what is the area of the right triangle, in square inches?

how might a decline in the number of frogs affect other species in an ecosystem use the term food chain in your explanation

Which language family can be found across southern Europe to central Turkey, and in Ireland and Scotland? A. Germanic B. Hellenic C. Balto-Slavic D. Celtic

Name two great mountain chains one in the western United States and one of the eastern United States

An important similarity between all the places in the solar system that have weather is that they have ___.

Using complete sentences, explain how proximity to major rivers influenced the location of early cities

Which region on the map shows Alexander's empire at its greatest size?

Petroleum that has not been processed

Known as the "Cradle of Civilization," this region was home to several early river valley societies. Located between the Tigris and Euphrates rivers, the region is known for its rich alluvial soil, which has earned it the nickname the "Fertile

According to the United Nations Refugee Agency, more than 2/3 of the world's refugees come from just five countries. Which country is NOT on that list? A) Turkey B) Myanmar C) Afghanistan D) South Sudan