In which sentence is the word parents used as an indirect object? a. dr. marisa korvich teaches a class for new parents. b. mr. and mrs. silver became new parents last week. c. crystal's parents both work in the new century building. d. the music instructor sent all parents a copy of the new schedule.

do you have part b? ?

explanation:

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.

is there a book if so take some time to read that book and then you   mite find the answer cause i dont know this story