6. How do scientists determine when an era begins and when it ends?

What change took place when Arab armies conquered Persia? The dominant cultural group was destroyed. The economic center of the country moved. The people's religion changed. The language of the conquerors was adopted.

How did colonialism provide an obstacle to democracy in Latin America?

which ocean touches south America eastern border

Victoria falls is located in victoria lake found between which of the three following countries?

What are the two official languages of India?

Describe how modern science operates and distinguish it from philosophy, pseudoscience, and religion. In recognition of these distinctions, what individual (s) and methods mark the beginning of Astronomy as a science?

What two tectonic plates caused the Himalayan mountains

The longest mountain range in North Africa is what?

Chemical weathering is noted by which of the following

What factor drove Great Britain to divide Ireland into two states in 1921?