Which of the following observations best supports the model?.

Which of these international trade concepts results in specialization and trade increases in total world output? a) absolute advantage b) balance of payments c) absolute advantage d) international tariffs

Hree steps to answering test questions correctly include a. underlining, repeating, reading c. reading, undoing, eliminating b. reading, underlining, erasing d. reading, underlining, eliminating

Certain gases in air are important natural resources that are used in welding. two of these gases are a. oxygen and argon b. hydrogen and fluorine c. chlorine and sulfur dioxide d. nitrogen and carbon dioxide