Themes are developed by authors through the following ways: What happens - key events. Characters - character qualities, character actions and how characters respond to situations may all relate to theme. Character development - the ways characters change, and the lessons they learn indicate themes for the reader. The major theme in a literary work is the most significant idea the author is trying to convey. A theme can be anything from “Love and Friendship” to “Good versus Evil.” It's the underlying idea that connects the plot and characters with a deeper meaning.
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I haven’t seen the passage but answer B or C if you have to guess
a and b........................
Answer:
Professions develop ethical standards and codes for a number of reasons. First, ethical standards help reassure the public, particularly law-makers, that the field can regulate itself and does not need others outside of the profession to make laws to govern the practice of that profession in order to protect the public's interests. Ethical standards offer the public reassurance in general that a profession is standardized and that they can expect to be treated ethically according to set criteria. This improves people's perception of and trust in the profession and consequently increases business. To put it simply, ethical standards increase the professionalism of the profession.
Explanation:
The type of details used in this sentence is chronological details - Stone Age happened first, and it was followed by Bronze Age and Iron Age.