It is a responsibility of the executive branch to... elect presidents

enforce laws

make laws

interpret law

the executive branch is responsible for enforce laws

the pronoun reference replaces a noun, but you have to make sure there's no room for confusion.

in the first sentence "her" could be referring to shely or to the sister. the answer there is "shelly called her sister and told her about the new baby."

in the second sentence "it" could be referring to the roof or the floor. the answer there is "since the roof leaks on the family room floor, we need to repair the roof."

hello there! there might be some substitutes that dont have experience with students. they only register for having a job. depends maybe on the old people or younger people

hope this