In nomadic times, cultures marked the passage of time with the migration of the herds. as people developed agriculture, a more precise measurement of time became increasingly important. farmers needed to time the planting and harvesting of crops just right, or they would not have enough food for the winter. keeping track of these natural cycles was so important that the dates were coordinated with religious ceremonies at the core of society. with the development of agriculture came food surpluses, which led to more complex forms of government and the ability to trade with other cultures. record keeping grew, and historians and rulers needed a way to track when certain events occurred. merchants needed a way to know when deliveries were due or payments needed to be made. military leaders needed to be able to coordinate attacks and defenses. the accurate recording and interpretation of time was central to the development of civilization. what is the main idea of this passage?

The main idea of this passage is that the accurate recording and interpretation of time was essential to the development of civilization.

Explanation:

Throughout the text the author explains the importance of time recording, first with agriculture, then with commerce and war. Also, it explains how time tracking is relevant to the culture and the structure of society as we know it.

author – information on the internet with a listed author is one indication of a credible site. the fact that the author is willing to stand behind the information presented (and in some cases, include his or her contact information) is a good indication that the information is reliable.

date – the date of any research information is important, including information found on the internet. by including a date, the website allows readers to make decisions about whether that information is recent enough for their purposes.

sources – credible websites, like books and scholarly articles, should cite the source of the information presented.

domain – some domains such as .com, .org, and .net can be purchased and used by any individual. however, the domain .edu is reserved for colleges and universities, while .gov denotes a government website. these two are usually credible sources for information (though occasionally a university will assign a .edu address to each of its students for personal use, in which case use caution when citing). be careful with the domain .org, because .org is usually used by non-profit organizations which may have an agenda of persuasion rather than education.

site design – this can be very subjective, but a well-designed site can be an indication of more reliable information. good design make information more easily accessible.

writing style – poor spelling and grammar are an indication that the site may not be credible. in an effort to make the information presented easy to understand, credible sites watch writing style closely.

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explanation: