Country A produces a ton of tea using one unit of resources. Country B produces two tons of tea using one unit of resources. Which of the following is true regarding Country A and Country B?

Coffee imports under a quota limit of 28,500 tons are charged a tariff of 20 percent. Imports of coffee above the quota limit are charged a tariff of 50 percent. This is an example of a(n) ________.

Adam Smith believed that ________.

________ refers to the purchase, sale, or exchange of goods and services across national borders.

Bacillus anthracis is a Gram- spore former; causes anthrax; a zoonotic disease of domestic livestock; produces hemolysin

Clostridium tetani – found in soil and causes tetanus

Helicobacter pylori – microaerophilic spiral shaped; causes peptic ulcers; has a potent urease; can grow in the mucus lining of the interior stomach

Rickettsia prowazekii – causes endemic typhus; spread by body lice

Salmonella typhi – causes typhoid fever; only found in humans

Salmonella enteritidis and S. typhimurium are Gram+ organisms that cause foodborne gastroenteritis