C. The opportunity cost of a student who is staying up all night to study for an exam that he has to take in the early morning is sleep or rest.
<h3>
What is law of opportunity cost?</h3>
The law of increasing opportunity cost is an economic principle that describes how opportunity costs increase as resources are applied.
As the student gives up his sleep or night rest in the place of his exam preparation, we say that the opportunity cost is the sleep or rest.
Thus, the opportunity cost of a student who is staying up all night to study for an exam that he has to take in the early morning is sleep or rest.
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Answer: C. physical fitness components
Explanation:
The physical activities includes daily activities which are part of daily routine. These include exercise, cooking, walking and others.
The physical fitness components can reduce the risk of beginning of the diseases and they will promote total health. These include cardiovascular endurance which provide safety against the heart diseases, muscular strength will allow the body to perform daily activities without any difficulties, flexibility, and body composition. The body composition will help to keep the body in proper shape.
Answer:
90 ohms
Explanation:
1/r = 1/180 + 1/180
1/r= 2/180
take the reciprocal of 2/180 which is 180/2 and its 90 ohms
Answer: 
Explanation:
The test statistic for difference of two population means :-
Given : 
Then , 
Hence, the value of
A<span>ristotle's theory of the basic constituents of matter looks to a modern scientist perhaps something of a backward step from the work of the atomists and Plato. Aristotle assumed all substances to be compounds of four elements: earth, water, air and fire, and each of these to be a combination of two of four opposites, hot and cold, and wet and dry.</span>
