Someone pls help me I will make you brain

Technician a says that the sine with dwell (swd) test is used to determine if an electronic stability control system functions normally. technician b says that the esc lamp, called a telltale light, is required to remain on for two minutes. who is correct?

Why would the rumor of a government contract change the value of this companys stock

Plz which of the following elements is not typical of an advanced society. a. cities b. science c. industries d. a nomadic lifestyle