An overwhelming majority of 97 percent of the population claimed one ancestry only according to the 2010 census. Some of them claimed they were white, some Asian, some black, but over 299 million people claimed only one race. Only 3 percent of people claimed they had numerous ancestries, which is about nine million people.
In every experiment, there are experimental unit. The experimental units in this experiment is the students in the four classes.
- The experimental unit is referred to as the person, animal, or object that is the subject of the experiment.
The Experimental units is known to often receive different treatments from one another in an experiment.
The experimental method used often has a lot of manipulation of variables so as to establish cause and effect relationships. The unit is the object to which the treatment is randomly given to. If the experimental units are human beings, they are referred to as subjects.
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Good climate, many rivers, fertile soil
Sorry but I didn't get your question.
Answer:
because he'd seen a tv show about the troubled in schools and lack of qualified teachers. He also wanted to challenge himself.
