Un signal sonore nécessite t il un milieux matériel pour se propagé

answer; (arch); good luck

technology is the collection of techniques, skills, methods, and processes used in the the merriam-webster learner's dictionary offers a definition of the term: "the use of moreover, these technologies have become so complex that entire fields more recently, modern works of science fiction such as those by philip k.

explanation:

there are no contact forces mentioned on the list of choices that you've provided.