Answer:
"Natures First Green Is Gold," indicates nature's first green is youth, because every living thing begins with youth.
"Her Hardest Hue To Hold," represents that youth is very hard to keep because they get older in age.
Explanation:
This poem has 2 meanings, Good things never last forever, and youth and innocence. That life may seem perfect when going right, but this won't stay forever. Every living things is beautiful, and every beautiful things may eventually die. Robert Frost is saying good things will not stay forever. Many times in a person's life there will be unhappiness and sorrow, the good times will end. Even though the great times will end. Even though the great times come to an end, they will be followed by more great times.
[RevyBreeze]
The excerpt that tells the White family's uncertainty on the Major's story would be when Mr. White said:
"If the tale about the monkey's paw is not more truthful than those he has been telling us," said Herbert, as the door closed behind their guest, just in time to catch the last train, "we shan't make much out of it." This is because they are not sure what is true about the information that a stranger told them in the train.
I think the first one hope this helps