Can someone help me eliminate the comma splice on these sentences please

Why does black lung aka arthur morgan let only jhon and abigail go and not sadie in the last chapter

Read the sentences. the lowest point in antarctica appears to be the bentley subglacial trench, which is 8,200 feet below sea level. lower points may exist. which choice correctly uses the subordinating conjunction “although” to combine the sentences? the lowest point in antarctica appears to be the bentley subglacial trench, which is 8,200 feet below sea level, although lower points may exist. the lowest point in antarctica appears to be the bentley subglacial trench, which is 8,200 feet below sea level. although lower points may exist. the lowest point in antarctica appears to be the bentley subglacial trench, which is 8,200 feet below sea level although, lower points may exist. the lowest point in antarctica appears to be the bentley subglacial trench, which is 8,200 feet below sea level; although lower points may exist.

How does langston hughes use the denotative meaning of the word uniform ironically in his poem "will v-day be me day too"? a. to show that african americans faced segregation even while fighting for their country alongside americans of other races b. to show that african americans enlisted in the war hoping to gain acceptance and equality in their country c. to show that by donning the u.s. army uniform, the people of america stood united, irrespective of their race d. to show that african americans who were part of the armed forces were treated with dignity