Answer:
the pot on the hob is hot?
Answer:
The difficulties that nature presents was what made man insensitive to the beauty of it.
Explanation:
The poem shows how nature builds organisms within the challenges and difficulties they have to face in order to grow. These challenges are not easy, but it allows organisms to live and develop in a strong and edematous manner. However, these difficulties and challenges that nature poses, make people insensitive to their beauty and worry only about what they will face.
I can answer to your first question (what are compared in the following lines)
its everything that uses "like" or "as" ex: eyelids like feathers edge