Please help ASAP please thank u so much

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

If two atoms are bonded to a central atom with no lone pairs,how will they be arranged

Elements in group 2 are all called alkaline earth metals. what is most similar about the alkaline earth metals?