Answer:
The roman empire fell down in 395 AD.
Explanation:
Answer: Sedimentation allows the separation of two substances via settling of one substance whereas the decantation allows the separation of two substances via pouring off one substance.
Explanation: Please mark Brainliest!
Both Brazil and Columbia are neighbouring countries with Peru and Venezuela.
Hope my answer helps :)
British were arming and encouraging native americans to attacked american settlements in the western territories (west of mississippi river)
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>