Answer:
variable-interval.
to get good grades, you must study and pay attention to score high, since the tests are inconsistent and at unknown passages of time.
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Not really, because they might help someone but have low self esteem so they’ll just be like ‘okay, I helped someone.’ When this statement implies that everyone who helps someone has satisfaction from it which is not the case.
        
             
        
        
        
Answer:
Over the period of a hundred years ,Islam spread from its place of origin in the Arabian Peninsula all the way of modern Spain in the west and northern India in the east .
Explanation:
 
        
             
        
        
        
It is known as <span>Self-feedback
</span><span>Self-feedback refers to a form of affirmiation that we do to ourself in order to obtain a certain psychological condition.
Performers or any type of workers in general often use this in order to stay positive in facing every challenges that exist in our life.</span>