Answer:
It would be the first one because in the book during chapte 3 it stated
Step-by-step explanation:
"In Chapter 3 of Anthem, we hear about how Equality 7-2521 discovers electricity. While in his underground tunnel laboratory, he cuts open a dead frog and one of its legs move. Equality finds that this is caused by his knife touching a copper wire and the salt water in the frog's body."