Question

adventures in the sky
score: 2 10
the business of buying and selling or exchanging items
neolithic age enabled temporary trade

Explanation:

The phrase "the business of buying and selling or exchanging items" is the definition of "trade". Among the options, "Neolithic Age" refers to a historical period, "enabled" is a verb or adjective related to activation, "temporary" means lasting for a short time, and "trade" matches the given definition.

Answer:

D. trade (assuming the options are labeled A to D as A. Neolithic Age, B. enabled, C. temporary, D. trade)