What geographic feature provided the center of early human cultures in the south american continent?

Explain the solubility and biological carbon pumps.

4. 4 The creation of independent city-states in ancient Greece can be most directly attributed to the

What is a possible result of increased irrigation and agricultural fields? a. depletion of water resources b. increased nutrients in soil c. decreased need for fertilizers d. increased use of pesticides e. no change in crop yield

How many times bigger is jupiter than earth?

What phenomenon occurs when trade winds in the Pacific Ocean grow weak

What was one direct cause of the crusades?

Which of the following does not describe europe after that fall of the western roman empire? a. the byzantine empire continued roman law and traditions b. trade between the byzantine empire and asia flourished c.

In Oceania and Australasia, what are some reasons native species face extinction? 1. deforestation 2. invasive species 3. conservation 4. desalination May be more then one answer

Since 2009, Washington's GDP has decreased increased. increased and decreased. O remained the same.

Historically, most Inuit people made a living by farming and herding. T or F?