Contaminating--> being made impure by polluting or poisoningremote--> far from the main centres of population; distant.
relocate--> move to a new place and establish one's home there
preserve --> maintain (something) in its original or existing state.
evacuate--> move from a place of danger to a safer place.
underdeveloped --> not advanced enough.
La durée de la leçon est: 120 min
