An element with 1 valence electron has a charge of

Avehicle has an oil leak that is causing the entire oil pan to be wet, but inspection reveals no exact source after cleaning off the oil residue. technician a says to install a fluorescent dye in the crankcase and operate the engine, then re-inspect for leaks with a special light (black light). technician b says the oil leak may be coming from a source at the top of the engine, such as a valve cover gasket. who is correct?

A2k pendulum has a speed of 1 m/s at a height of 1/2 meter

If angle "a" is 25°, angle "b" is: a) equal to angle c b) less than angle c c) greater than angle c