Please I’m skipping math and Ela for this help

Find the protons, electrons and neutrons for strontium with a mass of 83

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

The minerals found in bones are deposited by living cells called