Will fan and suppose spain produces only cars and trucks. the resources that are used in the production of these two goods are not specialized—that is, the same set of resources is equally useful in producing both trucks and cars. the shape of spain’s production possibilities frontier (ppf) should reflect the fact that as spain produces more trucks and fewer cars, the opportunity cost of producing each additional truck: a. increases b. decreases c. remains constant

while it was true that the cotton gin reduced the labor of removing seeds, it did not reduce the need for slaves to grow and pick the cotton.

explanation:

before eli whitney's invention of the cotton gin, picking and cleaning cotton was a slow, labor-intensive job. workers, usually slaves, had to pick the seeds from the cotton fibers by hand. this invention made it possible to grow large amounts of cotton on big farms and make money.

ththis should be under spanish

i believe a   because i took this test last month