High schools should require all students to take four years of math. Even though most students will probably not become mathematicians, many of them will choose a profession where math plays an important role. Architects, pharmacists, and carpenters all use math every day. A strong math foundation in high school is important for students to succeed in these and in other professions. In 1–2 sentences, explain which word or phrase should be added to the paragraph to increase its cohesion and why that word or phrase would increase cohesion. (please help.)

mark twain, real name samuel langhorne clemens, was an american writer, humorist, entrepreneur, publisher, and lecturer. among his novels are the adventures of tom sawyer and its sequel, the adventures of huckleberry finn, the latter often called "the great american novel". wikipedia

can yo copy and paste the story? i don't know what to work with if i don't have anything.

the gas pressure p, gas volume v, and gas temperature t are given in the formula:   pv=nrt,

r is the gas constant, and n is the number of gas moles.

if the container is cooled and remains under atmospheric pressure, where r is a constant that does not change, the volume of the container remains the same, the conclusion is drawn that, with all other values ​​unchanged, the number of gas moles n, is decreases.

the right answer is a.

the correct answer is aesthetics.