Which ecosystem best matches the following description?

Found at high altitudes, the harsh climate allows only species that are adapted to the changing environment to survive.

Alpine

Desert

Tundra

Deciduous forest

An important factor that prevented the ancient Greek cities from uniting to form a single nation was

Mind-to-late century wood mills in the great plains would have been most likely to have been used for

What were the artifacts left from the algonikian time

Who was the army lieutenant sent by Jefferson to explore parts of the wilderness in addition to Lewis and Clark, and where did he explore?

Why were colonists angry about taxes passed by Parliament?

How the vote was won: woman suffrage in the western united states?

Jeans, the type of clothing that became popular with young people in the 1960s and are very popular today with people of all ages, are actually centuries old.

What freedoms were artists experiencing by the end of the seventeenth century?

Explain how, after the defeat of the French, white-Indian conflicts continued to erupt as native groups sought both to continue trading with Europeans and to resist the encroachment of British colonists on traditional tribal lands.

What was nicholas ii response to the revolution of 1905?