The equation of co+co2​

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

When you mate two plants together the terms is called? answer it fast as possible plz! i have a test tomorrow!

In the reaction between a crushed antacid tablet and vinegar what gas is emitted