Which sentence has an unclear or missing pronoun-antecedent?

-I want to visit Nepal because the landscape will be amazing to you.

-The area is famous for its changes in the weather.

-Todd has a sister, and she is fifteen.

-Anne writes her own mystery stories.

you ask the question you want to answer when ever you are on the question you want to answer there should be a green box click that and type your answer. there is no texting.

u gay

explanation:

i cannot see any of the options        

one of the central themes of edward abbey's work has been his staunch opposition to the glen canyon dam on the colorado river that created lake powell, destroying stunning scenery and wildlife habitat, endangering many rare species of fish and animals, and also irreparably destroying many important archaeological sites which provided information about the early inhabitants of the united states.