"Nature's first green is gold, her hardest hue to hold" what does gold possibly mean in this quote?

"Her early leaf's a flower; But only so an hour"

Why do leaf and flower only last an hour?
"Then leaf subsides to leaf so Eden sank to grief"
What is Eden and how did it sink to grief?

c. to understand which information will best persuade your readers. (apex) correct answer.

the answer would be, she updates her online profiles regularly and participates in work-related online discussions.

his tongue, i believe, was bloody and hanging out of his mouth.

he looked as if he were hungry.

he has several wolf-like qualities; a gray coat, sharp claws and yellow fangs.

those eyes made me feel, dear reader, like the end was near.

as i reached for a stick, he moved to the other side of the hill.

panting and hungry, he looked at me, a defenseless human and he snarled.

well i said my prayers, however, he simply turned and limped off.