Who created gunpowder​

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?

During the 1960s, how did the neural movement promote the chicano movement

The zealots were for a: the teaching of jesus b: temple and sacrifices c: faith and law d: the military overthrow of roman rulers h.e.l.p asap i'm taking a test