Which economics term does each scenario describe?

(Match these)

specialization

diversified economy

single-resource economy

A nation with many pineapple plantations exports fresh
pineapples, canned pineapples, and pineapple products.

A nation rich in precious gemstones just exports diamonds
to be made into necklaces, rings, and other jewelry,

A nation with several climate zones exports almonds,
cranberries, corn, wheat, and peaches.