What is the answer, please?

What is included in the body of a business letter ?

[1] when the twins grew up, they continued to fight. [2] one day they decided to hold a contest to determine who was stronger. [3] though they tried to defeat each other in many different ways, neither one could win. [4] on the last day, they fought with weapons. [5] using a deer antler, the right-handed twin overpowered his brother, and he threw him off the edge of the earth. [6] today, the right-handed twin lives in the sky-world, and the left-handed twin lives in the dark underworld. [7] they rule the earthly world of men together.

Question 15 of 25 2 points read the following excerpt from a speech: it has been suggested that all automobiles be converted to electric power by the year 2020. _ there simply isn't the infrastructure in place to accommodate such a change. which word or phrase best connects the ideas in these sentences? o a. nowadays o b. therefore o c. in contrast o d. unfortunately