The number system first developed in India and used today is called the decimal system.
Answer:
operational definition
Explanation:
Operational Definition: This is a term used to describe the course of action of the research variables and the study. In this experiment, laugh can be defined operationally as a smile with a sound. Because of this operational definition, the psychologists can replicate the research or the experiment. The operational definition, when used to collect data, consists of a clear, and detailed definition of a measure.
Answer: social structure
Explanation: According to Sociologists, social structure is the distinctive, stable arrangement of institutions whereby human beings in a society interact and cohabit together.however, examples of social structure in sociology are the family, religion, economic, political and education institutions. Social Structure is the relatively stable formal and informal arrangements that characterize a society, including its economic arrangements, social institutions, and values and norms.
<span>The statement that a speaker who argues that the world's monarch butterfly population is in danger because their numbers have decreased in several locations is reasoning from specific instances is true.
</span><span>In this informative speech, the speaker acts as a teacher. </span>
