The correct answer to this open question is the following.
Writers who advocate moral, philosophical, or religious issues frequently use symbolism or allegory because it is a useful way to transmit concepts and information in a more comprehensible way for the readers better understand complex topics.
Many times religious or philosophical issues are difficult to understand. That is why authors use symbolism, allegories, and metaphors because they are a good way to transform complex information into simple or clearer concepts. For instance, the Christian Bible is an example of many metaphors, symbolism, and allegories, as is the case of the Genesis and the creation story.
Macroeconomics is a branch of economics that studies how the aggregate economy behaves. A variety of economy-wide phenomena is examined such as, inflation, price levels, rate of growth, national income, gross domestic product (GDP), and changes in unemployment.
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Investigations or experiments help to build scientific knowledge through the findings that these experiments or investigations help to build. The body of knowledge is created through the work of numerous individual and team scientific investigations and experiments into unknown phenomenon. This work culminates in helping to build scientific knowledge.
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