Answer:
This is an example of: <u>a sample survey.</u>
Explanation:
In the experiment to determine the effect of sleep deprivation on the ability of the student to concentrate definitely needs an experimental setup rather than a randomized data collection.
<em>Do to the fact that, the experimental used a small sample sized area (Students in a calculus class) to test his hypothesis shows that the setup is a sample survey. </em>
<u>This sample survey result could be extrapolated to the whoe region (the classes in the school or whole school ) to determine if there was a major significance between the two variables.</u>
The correct answer would be, No, very little work on outside world.
Very little work on outside world when you rub your hands together to warm them.
Explanation:
When you rub your hands together to warm them up, a friction is created which helps in generating heat within the hands, and in this way the hands are kept warm.
When you rub your hands, the heath goes and disappears within your body, and a very little part of the heat goes into the environment. So this rubbing has a little work on outside world.
As far as the efficiency of this process is concerned, It is very high, as the heat generates and remains within the human body after rubbing and a very little goes on outside world.
Learn more about Friction at:
brainly.com/question/13521136
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Answer:“Belize lies on the North American Tectonic Plate, Central America and the Caribbean Plate and there is a transformed plate boundary down there that is sliding, the two plates are sliding cross each other and so it cause faults in the rocks and as the rocks are sliding each other, friction holds them together and so
Explanation:
It was named after ruler constantine
