Answer: All the the above
Explanation:
https://www.gallaghermalpractice.com/blog/post/what-are-the-different-types-of-hospitals this shows every hospital
The development of barbed wire in the 1870s changed the cattle ranching industry by allowing the cattle ranching owners that have large ranches to enclose their own territory in which allowed them from eliminating the possible competition in regards of the resources. It is because the barbed wire in the 1870s serves as an important tool that ranchers could use as a way of protecting their animals in the barn from predators capable of killing their animals and from also preventing other people from trespassing without their permission.
The answer is under
1. D
2. B
3. A
Concentrate on pronunciation. (Kun-TROLE group) In a medical control, the group that does not receive the new remedy is being studied. This organization is compared to the group that gets the new remedy, to see if the brand new remedy works.
A control organization in a scientific test is a set separated from the relaxation of the test, in which the unbiased variable being examined can not affect the effects. This isolates the independent variable's effects on the experiment and can help rule out opportunity factors of the experimental effects
In a systematic observation, a managed institution is used to set up a reason-and-impact relationship by using keeping apart the effect of an independent variable. Researchers change the independent variable inside the treatment institution and hold it regularly within the control group. Then they examine the results of those agencies.
Learn more about the control group here:
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