WhatdowelearnaboutOregonsPortlandInternationalAirport? A.Thetravelerstherehavetopaytheairp
What do we learn about Oregons Portland International Airport?
A. The travelers there have to pay the airport to haul away waste.
B. The food waste there, will be used as compost in the city.
C. Food-only trash cans were installed there 3 years ago.
D. The travelers there are not allowed to discard half-eaten meals,