Why is the iambic pentameter particularly useful in shakespeare's drama macbeth

What happens once in a minute twice in a moment and never in a thousand years?

The dogs created when they pulled the christmas tree down and started eating the candy canes.

Why did orson welles change the beginning of the war of the worlds for his radio broadcast? a. to capture the attention of his listeners, who may have been doing other things b. to get around copyright laws associated with using material from a published book c. to ask members of the audience to call family and friends and encourage them to listen d. to remind listeners to call police for more information