Scarcity is considered an economics problem with human wants or desires with limited resources, since we have limited resources not everyone can have what they want.
Answer:
a) External validity
Explanation:
External validity: In research methods, the term "external validity" is described as validity that is being utilized for applying the achieved conclusions related to a scientific study or research outside the conditions of the given study or research. In short, it is described as the degree to which the results of particular research or study can be "generalized" across and to any other people, situations, times, and stimuli.
In the question above, the given statement signifies the "external validity".
Answer:
Neptune is the eighth and farthest-known Solar planet from the Sun. In the Solar System, it is the fourth-largest planet by diameter, the third-most-massive planet, and the densest giant planet. It is 17 times the mass of Earth, slightly more massive than its near-twin Uranus
Explanation:
