Which words help you CONTRAST two things?
pls help

but, whiles. I needed to add more letters because it wasn't sending. Just to be clear the answers are but and whiles

The sentence that contains error is sentence 3. The sentence is that "She’s strongly considering writing about Sally Ride, because he was the first American woman in space.". In here Sally Ride is a woman but the pronoun that she used is "he" which is wrong. She should be using she.