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>
Answer:The 2017 Iraqi–Kurdish conflict occurred in and around the Kurdish region of northern Iraq that began on 15 October 2017, shortly after the Iraqi Kurdistan referendum in 2017 was held on September 25. After the independence referendum, Prime Minister Haider al-Abadi demanded the referendum to be canceled.
Explanation:
I won't.
And here you go with the reason
If she was genuinely a good friend, she won't have wanted me to risk my own health.
Erik Thorvaldsson, also known as Erik the Red (ir is believed he was called like that for being a redhead), was a Norse explorer, and it is said that he founded the first settlement in Greenland. He he was born in Norway, and was the son of Thorvald Asvaldsson (hence the name Erik Thorvaldsson).