Which of the following is an example of consideration
a. teasing students who earn good grades
b. opening a door for somebody who is carrying things
c. using positive body language
d. repeating what someone has said to show you understand

D. repeating what someone has said to showvyou understand.

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.

the correct answer is c.