Answer: B) Tybalt is Capulet’s nephew. His short-tempered personality provides a foil to the calmer Lord Capulet.
Tybalt is Capulet's nephew and Juliet's cousin. He detests the Montagues, and he is explosive and ill-tempered. We see that Tybalt becomes extremely angry when he finds out that Romeo is attending the Capulet's ball. Capulet, however, calms him down. He tells him that Romeo is a good citizen, despite the fact that he is a Montague. Moreover, he reminds him that he is the head of the household, not Tybalt. We can see that Tybalt's angry personality provides a foil to the calmer Capulet.
I will give you a small example. One of the example of this effort is the Drainage management system on Colorado River. This massively increase the productivity of farming result in California in term of its resource usage