Which pronoun has an unclear antecedent in the following sentences?

The sixth-grade students liked volunteering their time to read to the elderly people in the hospital. It made them happy.
Their
It
Them
No unclear antecedents

Select the correct answer. which groups fought in the trojan war? a. mycenaeans and minoans b. greeks and trojans c. minoans and greeks d. minoans, mycenaeans, and trojans

Plss me i need hrelp i will give you 12 pionts. a student is writing a blog claiming that school uniforms are a good idea. which sentence provides evidence to support this claim? a: many students are against wearing school uniforms because they think they will look silly. b: a recent study found that students who wear uniforms are more focused during class. c: a recent poll found that only ten percent of teachers are in favor of school uniforms. d: many parents worry that school uniforms will be more expensive than regular clothing.

Who might be the main characters in a world parents type of creation story? a. a turtle and a raven b. a higher power and a human c. the sky and the earth d. the spirits of humans