Answer:
Obstacle
Explanation:
Barrier, obstacle, major obstacle, impediment relate to anything that tries to interfere with operation or development or stops it. An barrier is one that lies in the path of concrete or figurative development, tangible or non-material, the absence of imagination is a barrier to one's development.
Alice is authoritarian, Robert is permissive, and sally is authoritative
Driving skills are a basic qualification for B) Mail Carriers.
Mail carriers retrieve and deliver mail to homes and business, and because they mostly use vehicles, a driver's license with a safe driving record is a requirement to apply for a job as a mail carrier.
I think the answer to this question is letter A(I think)
Of either of the two goods is constant.