Help me please

the answer a: perseverance !

you need to make an explanation. so, since you did not include one, so no one, and i mean no one can unfortunately you,

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.