Difference between a proton, electron and neutron and where they are located

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

50 pts plz what is the physical state of matter of baking soda.

At 300 mm hg, a gas has a volume of 380 l, what is the volume at standard pressure