In the picture to the right iron filings have been sprinkled around a bar magnet. The iron filings outline the magnetic field lines, making it visible. Magnetic fields all have a pair of "poles", from which "lines of force" or magnetic field lines appear to originate.
Answer:
With the promulgation of its constitution in 2015, Nepal replaced a unitary government with a federal system of government. This process has made Nepal a federal democratic republic governed with three levels of government: a federal level, seven provinces and 753 local government.
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The mandate system was a mechanism set up by the League of Nations after WW1, allowing the victorious powers to govern enemy colonies until the natives were fit to rule themselves. The colonies were called 'mandates', while the country ruling it was referred to as the 'mandatary'.
From the given options, the surveys, tests related to education, and unidentified questionnaires all belong to exempt research.
The fourth option is the correct answer.
<h3>What is meant by research?</h3>
Research is defined as the analysis of facts by examining the sources and available material about any topic.
Exempt research is one of the methods that focus on the study of human-related concepts where there is a minimum or no risk involved. The categories which are treated as exempt research can be education concepts, surveys, interview processes, federal-related research, food and taste studies, etc.
<u>Question's missing part:</u>
The following are the options related to the given question:
1) fraudulent research
2) non-ethical research
3) laboratory research
4) exempt research
Therefore, the provided categories are considered to be exempt research.
Learn more about the research in the related link:
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