What is the leading factor to a producer’s ability to specialize? A. the research about a product
B. the advertising of a product
C. the supply of a product
D. the demand for a product
Plz help it's a tests

The principle of checks and balances is based on the notion that

The government of country a has determined there is a coal shortage based on mining reports. as a result of these data, the government decreases coal exports to other nations. access to information country a

The north american colonies experienced a steady increase in population since the first settlement in jamestown in 1607. by 1775, the colonies' population was around 2,500,000, and most of the colonists lived east of the allegheny mountains. how did geography influence the settlement of america's first colonies?