What is the most significant change in the comet's energy as it moves from point D to point A? (Assume that total mechanical energy is conserved.) A. KE decreases, GPE decreases
B. KE increases, GPE increases
C. KE increases, GPE decreases
D. KE decreases, GPE increases

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 big bang nucleosynthesis theory states that elements were produced in the first few minutes of the big bang while elements have their origins in the interiors of stars, forming much later in the history of the universe.

Which of these conditions most likely produces an unstable isotope?