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soldi70 [24.7K]
2 years ago
15

Ultrasound involves high-frequency sound waves. Sound waves can be used to image internal structures. This is the basis of tomog

raphy. sonography. radiography. fluoroscopy.
answer: sonography
Biology
2 answers:
Alex17521 [72]2 years ago
6 0

Answer:

B........................................................

Explanation:

Illusion [34]2 years ago
4 0

Answer: sonography

<span>Ultrasound is Imaging of soft tissue and internal organs involving high-frequency sounds waves which can be used to image internal structures. This is the basis of ultrasonography or sonography which is the use of high-frequency sound waves to produce images.</span>

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Describe the career of an agricultural extension agent, with a brief summary of the responsibilities, education/training, and be
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Answer:

agricultural extension agent are train expert that acts as a middle man between the farmers and research institute or organisation. they are saddled with the responsibilities of bringing new innovations, technologies, knowledge e.t.c concerning agriculture to farmers and they in turn takes farmers concerns, complains and outcry to research institute.

they help to teach farmers on how too use modern farm tools and technologies. the extension agent use  different methods to arouse or captivate the farmers and they are agent of change in that they help people form their own organizations in order to be able to tackle their problems.

they pass through different training and workshops and belong to a professional body before they can be certified an agricultural extension agent.Agricultural extension trainning/programmes cover a broad area  including improved crop varieties, better livestock control, improved water management, and the control of weeds, pests or plant diseases. they are well paid and derive maximum satisfaction when helping farmers  and proffering solutions to their problems.

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3 years ago
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tankabanditka [31]

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Explanation:

In a specified region, a population comprises any  number of members of the same species. Populations are described by sizes- the number of individuals; densities-  individuals in a set space (per unit area); and distribution- the dispersal or non dispersal of individuals (spread out or clumped). Population distributions may be described in three ways:

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  • Uniform:  individuals are evenly spaced in a predictable pattern; there may be some interaction and ideally, spaces between them  are maximized in order to ensure access to limited nutrients and resources.<em> E.g.  human farming- cornfields, orchards; allelopathy in plants like purple sage, which secretes chemicals to prevent the growth of other plants nearby</em>

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