Hunter-gatherers generally lived in groups of how many people?

Which two factors caused many americans to migrate to the west in the mid-nineteenth century? pick two the texas revolution discovery of gold at sutter’s mill the mexican-american war an interest in american indian culture cheap land prices

What were the main features of the aristotelian-ptolemaic model of the cosmos

Profits are maximized when marginal revenue and marginal costs are a. set c. equal b. less than market price d. greater than market price