Which sentence needs a comma?? (1)The soapbox derby is an enduring American tradition, one in long-standing. (2) Building cars on their own, with supplies they have chosen and purchased, is something many drivers take great pride in. (3) The sport is not without its hazards, but these hazards pale by comparison with other sports. (4) What is also impressive about the sport is the amount of knowledge care, and patience it takes to participate.

the text includes parts of primary-source interviews with enslaved people to illustrate the difficulty of life on a sugar plantation in louisiana.

explanation:

even though there may be variations in human emotions over time, the poem “ a contribution to statistics” by wislawa symborska suggests that the only unchangeable characteristic is mortality.

the author poses a distinction between the approximate and non-approximate numbers which correspond to our need for certainty in life and the difficulty of achieving it. our efforts to measure the exact often fail because the world is not always clearly structured .the poem seems to imply   that the only thing that is certain and has an exact number is death.