Sources are used in a paper to show what ideas inspired you and whose theories you would be using and you cite the sources in order to avoid plagiarism. If you don't have sources, your paper will not be valid and you could get accused of plagiarism. The more sources you use the better but you should keep in mind that they need to be important for the paper and used with a purpose and not just to increase the number of sources.
Answer:
Barak
Explanation:
The biblical battle of mount tabor takes place during the time of the judges between the forces of king Jabin of Canaan who ruled from hazor, and the Israelite army led by Barak and Deborah.
Answer:
Ninth Amendment
Explanation:
As you might know, the first amendment states our freedoms such as the freedom of speech, press etc therefore that woulf not be the correct answer. The fourth amendment protects us agaisnt unlawful searches and seizures. Lastly the seventh amendment talks about our right of trial by jury. The only answer that would make sense is the 9th amendment. Hope this helped ps. I edited my answer because the explanation wasn't good enough before :)
The right answer is mixing chemicals as instructed by the lab procedure. Because it ensures that the regulations and standards of chemical laboratories are being fulfilled by responding to the safety and proper functioning of the chemical laboratories and being archived for further verification.