Which decision leads to a shift in the development of the plot?
(A)
Mrs. Sommers changes into the silk stockings she pun hased
Mrs. Sommers enters a theater to watch a matinee prormance,
Mrs. Sommers sits at a counter a notices a pile of silk stockings
Mrs. Sommers eats lunch by herself in a fancy restaurant,

Skill check questions rearrange the paragraphs below into the correct sequence. that's because engineers on the ultraclean project have invented a self-cleaning, antibacterial metal surface that repels water with an intricate layer of laser-engraved valleys. when it rains, the lotus does not become damp; the water simply trickles off in fat droplets, taking any bugs and dirt with it. the drudgery may not be around much longer, however, if a team of italian scientists has anything to do with it “it's simply an amazing plant,” concluded professor luca romoli, leader of the project, “and we've succeeded in mimicking it. magnifico! ” few tasks in life hold less joy than scrubbing the ghost of somebody else’s porridge from a saucepan. the starting point for the research was the leaves of the lotus flower.

Imagination. experience. determination. trustworthiness.

In a data source, such as a spreadsheet, why is it important that top row be the header?