Answer: B. Annual river floods replaced the soil, which improved the crops.
Explanation: Annual floods enriched the soil by dragging nutrients through the water, improving and speeding the growth of crops.
Answer:
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A qanat is a system of water irrigation, using wells and a underground pipeway connecting them to a local water table, ancient cultures were able to readily collect water from their wells.
Answer:
A resume is a summary of your work experiece, education, skills, interest, and other qualifications that qualify you for a job opening.
Explanation:
In the United States, the major part of resumes is based on competency. This means they are "promotional" documents destinated to exhibit a person's skills, significant achievements, and work experience to outstand from other candidates in applying for a job.