Please help with these questions the 4third is Give another facto or detail to support your reason

Use the dictionary entry for crude to answer the question crude use context clues to choose the sentence that best uses the fourth definition of the word crude. crude ['krüd) adj from latin crudus 1. the quality of being unchanged from the original state 2. the quality of being primitive or uncultured 3. the quality of being obvious 4. the quality of being rough in execution rather than being subtle, selma was rather crude in the way she conducted herself at the meeting. elijah and his brother quickly built a crude shelter that would keep them warm and dry through the night. thelma's knowledge of art and poetry showed the rest of the diners that she was far from crude. there was oil to be found on the property, but it was crude and would need to be processed. mark this and return save and exit next submit

What is central purpose of the letter

Read the rough draft of a student's conclusion to anargumentative editorial.(1) year-round schooling would student achievement.(2) not so much information would have to be crammed intonine months. (3) furthermore, the elimination of long breaks, particularly summer break, would significantly reduce"learning loss" and the additional time wasted at thebeginning of each academic year to reteach previouslylearned material. (4) it is clear that year-round schooling students learn and retain more. (5) the united staleis not the only country to experiment with a year-roundschool schedule. (6) although many still claim that evidenceabout year-round school and its link to higher achievement isinconclusive, these people need to open their eyes and seethat students in these schools consistently score higher oncertain assessments than students who attend schools withtraditional nine-month calendars. (7) it is about time that wereplaced our outdated and inefficient school calendars. which best revises sentence 6 to create a more appropriate and respectful tone