Which sentence uses a gerund as the subject of a sentence?

Electricity powered home and factories. how did electricity change americans' lives

Which analysis best explains the effect of adding the female character in the film adaptation of the scene? ger. and tom al a o she advances the plot. having her run through the jungle moves the events of the story along. she serves a practical function. using her bracelet to create the trap makes it more realistic to the audience she raises the stakes. giving the audience someone else to care about increases the suspense level, she makes the film prettier. having a beautiful female character is mostly decorative, creating a nice visual, tness, here, again

Can anyone plz with this question i accidentally posted on physics it's 99 points plus this 5 ponts and will mark as brainliest link :