Ascientist conducted one trial experiment and got unexpected results. how can the scientist increase confidence in the results

If the root word engage means “to connect with something,” what does the word disengage mean in the following sentence? he disengaged the gears by stepping on the clutch pedal.a.added more engine powerb.activated a connection to the pedalc.stalled the engined.released a connection to the pedal

What does x represent in the formula for the compound xcl4?

Is 9 correct? and can someone me with 10? it’s due tomorrow, you