Which focus question is the author trying to answer?
c
Read the introduction from a science website
Electromagnetic force sounds very complicated, but I
wanted to understand how it works My experiment allowed
me to create my own electrical field using a nine-volt
battery, an iron nail, and some paperclips This experience
helped me understand electromagnetism and the way it
works
O How does a nine volt battery work?
O How does electromagnetic force work?
O How much electricity is stored in a battery?
O How much iron is contained in paperclips?

The correct answer is: How does electromagnetic force works.

Explanation:

In this excerpt, the author tries to understand how does electromagnetic force works.

We can conclude that from some statements he uses to explain his experiment.

e.g. Electromagnetic force sounds very complicated, but I  wanted to understand how it works.

e.g. This experience  helped me understand electromagnetism and the way it  works.

1.creeping like a snail is a simile used in this poem and it means the child is going to school unwillingly./a child is unwilling to go to school.

2. man becomes very frail and loses his physical strength when he becomes old, so much that his leggings that used to fit him snugly when he was in his youth are now too loose for him to wear, and that his shank has shrunk so much that this worldly stage is too big for a feeble actor like him. although, 'his youthful hose' just refers to his leggings/pants/ to shrink from danger; to shrink from contact.

3.the words "sans" means "without." it is a french word that is often used in english even today. so he is saying that in the last age of a man, the man is without eyes, taste, or anything else. he also says that this is the "last stage of all" and that it is the stage that ends a man's "history."

hope this !