Scientists think that the , made of liquid iron and nickel, moves to produce Earth’s magnetic field. a.
crust
b.
mantle
c.
outer core
d.
inner core

Which sentence corrects the error in pronoun-antecedent agreement? new team members should pick up his or her jersey from the activities office. if a team member is unable to attend a practice, he or she must provide a doctor's note. if students wish to compete, he or she must maintain a grade point average above 2.5. students are not permitted to attend away games without the consent of her parents or guardians.