Bonsoir ! Aidez moi s’il vous plaît...

Utiliser les mots :
extinction pioneer challenge hazard innovation

Pour compléter les phrases :
A. America's ...... spirit was what pushed a lot of explorers to discover uncharted lands.
B. The 1969 Moon landing was the result of a ...... project to push back the limits of science. The astronauts' journey was a ... one .
C. We need to colonise other planets before all life on Earth goes ........
D. NASA has designed a great deal of... technologies in order to assist astronauts in their journeys into space.