The study of the use of resources to produce and distribute goods and services is called economics.
True.
<span>Changes in the modern medical science caused significant reduction of mortality and every day increase of the elderly in the world. According to prevalence of physical and mental problems in elderly, it is necessary to take some actions. Self care in one of the best way to improve elderly health and life satisfaction that seems have a relation to self-esteem.</span>
Answer:
The most prominent characteristic of cross-sectional designs is that all of the observed data are collected at a single point in time. This differs from longitudinal and experimental designs, which make multiple observations over time.
Explanation:
The most prominent characteristic of cross-sectional designs is that all of the observed data are collected at a single point in time. This differs from longitudinal and experimental designs, which make multiple observations over time.
