Doing a warmup before exercise is important because it

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:

layers of the earth affect the waves and these effects are seen on instruiments such as seimometers