How was his paper done by him? Has he giben you your books?
Change into active passive voice?

umm of course in fact ur getting your answer : )

where is the article\

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.

what are the choose so we can pick