As the senior prefect in your school, write a letter to the principal pointing out at least two practices among students that should be discouraged and two habits that should be promoted among teachers. Not less than 450 words.

i believe the answer is d : )

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.