Efficiency is an attribute of usability that focuses on completing a task using the minimum amount of time and effort.
Effective is an attribute of usability that focuses on properly completing a task by guiding users to perform all parts of a task.
With these definitions, it is safe to say that EFFECTIVE AND EFFICIENCY are the attributes of usability focusing on properly completing a task while using the minimum amount of time and effort.
Answer: A
Steep, jagged cliffs that mark the edges of a plateau.
Explanation: An escarpment is a steep slope or long cliff that forms as a result erosion, it separates two relatively level areas and usually have different elevations. Its marked edges is because they are not formed regularly by regular processes like erosion, it is usually regarded as a fault where ever they are seen.
Elevated portion of land and long cliff or steep are the characteristic of an Escarpment Landform.
Escarpments are mainly found overlooking a water body or a valley or plain that held a water or at a place that is prone to erosion or where erosion used to occur.
"It is a steep slope or cliff, such as one that marks the edge of a range of hills"
Explanation:
well I'd say talkative but it doesn't matter l0l