A decrease in the price of book-binding glue.
Answer: Researchers agree that schizophrenia is about <u>80%</u> heritable.
Explanation:
This mental illness can be hereditary in most family when there is a diangises. However, it does not have to be a close family member such as a mother, brother, sister, or father. This mental illness can be passed down generations and skipped generations. Uncles, cousins, and a grandparent from the past may have suffered from schizophrenia. In addition, Autism is another illness that can be hereditary.
This mental illness is not based on genetics alone, and each family will be spoken to by a medical professor to see where the mental illness originated. There are still 20% of people <u> </u> with schizophrenia that have no family that has the mental illness.
Minorities are usually poorer than the dominant group in both pay and job opatunitys
The capture of New Orleans by Union forces occurred during the American Civil War (1861-1865) and saw Flag Officer David G. Farragut run his fleet past Forts Jackson and St. Philip on April 24, 1862 before capturing New Orleans the following day. Early in the Civil War, Union General-in-Chief Winfield Scott devised the "Anaconda Plan" for defeating the Confederacy. A hero of the Mexican-American War, Scott called for the blockade of the Southern coast as well as the capture of the Mississippi River.
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A surrogate key may be appropriate when the available candidate keys would produce a lot of data duplication when representing relationships and they would be prone to typographical errors.
Answer: Option 3
<u>Explanation:
</u>
In a fact table, sometimes there may be a few keys that would repeat the data over and over again. Thus to avoid this repetition or duplication, surrogate keys may be used instead of other candidate keys.
In most instances, surrogate keys are nothing else but the integer keys. They are mostly used as primary keys instead of using a natural or a real key in its place. The function of a surrogate key is to serve as a numeric identifier.
