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.

h it's isaac again my bad i just seen this and i was like hey she's a fwend but yeah wussup

honestly this is the biggest mood ever, i couldn't relate to this more

explanation: