Which sentence contains a gerund? my cell phone battery is dying. stop worrying about every detail. was gigi holding the crying baby? hiking is a great form of exercise.

Hiking

Explanation:

gerunds are the words which act as nouns and are formed with verbs. gerunds are formed by adding -ing to the verb. Since present participle also ends in ing form, one can spot the difference by knowing that present participle don't act as nouns. present participle completes the progressive verbs and act as modifiers.

In the above sentence hiking act as a noun, since its is described as a great form of exercise.

the text includes parts of primary-source interviews with enslaved people to illustrate the difficulty of life on a sugar plantation in louisiana.

explanation:

yes this is an analog in my view