Respuesta :
The adverb that correctly completes the sentence is:
B) économiquement
hi !!
which adverb correctly completes the following sentence
CORRECT ANSWER = B
Si nous voulons sauver la planète, il faut que nous utilisions les ressources naturelles économiquement.
(if we want to save the planet, we have to use natural resources savingly)
A- rapidement = quickly
B- économiquement = savingly = CORRECT
C- facilement = easily
D- beaucoup = a lot
hope this helps :)