The study of the whole economy is called
a. microeconomics
b. macroeconomics
c. gross domestic product

How does specialization enable countries to trade with one another? a country can make and sell goods affordably and buy goods that it is inefficient at making. a country can make what it chooses and sell its goods to other countries. a country can decide to buy everything it needs from other countries. a country can efficiently make goods that were once difficult to make.

Often, a goby fish and a shrimp will live together in a burrow the shrimp has dug in the sand. the shrimp is almost blind and therefore is unable to see predators approaching when he is outside of the burrow. when the shrimp is in danger, the goby fish touches the shrimp with its tail to warn him. then, both go back into their burrow for safety. which type of relationship does this represent? a. mutualism b. parasitism c. commensalism d. predator/prey

Ineed your asap, it due a crisis erupted in the 1830s over nullification. nullification is stating that something is null and void (not valid) and is not accepted. to nullify is to refuse to recognize. with the definition of nullification above, identify the cause of the political crisis in the 1830’s and the risk it created for the nation. question 3 options: the crisis was over the power of the presidency- the congress believed that the president should not be allowed to keep the power of the veto. the risk to the country was the presidency turning into a dictatorship. the crisis was a power struggle between the states rights and power of the federal government. the risk to the country was the possibility of states seceding from the union. the crisis was over whether taxing was constitutional. the risk to the country was that the people were being taxed unfairly the crisis involved states deciding to support other countries in their civil wars. the risk to the country was that states may begin fighting with each other over their alliances.