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Central and northern asia

Back to Central and Northern Asia: A.D. 200 to 301 B.C.

In the regions of Afghanistan and western Turkestan the Kushan Empire split into several principalities and the Persian Sassanids appear to have rapidly established some dominance over the nearest of these, but their claim to have made the Oxus and the Indus their frontiers seems over-stated. The Kushan states certainly continued to exist as political entities until the 5th century. With the fall of the Han Dynasty in A.D. 220, China lost control of eastern Turkestan, and the Kushans, with some Persian influence, once again gained control. Still farther north the Hunnish tribes were flourishing.

By the opening of this century all parts of the 2,500 mile trade route from Syria to the Tarim Basin were under pressure by barbarians and a great deal of the trade had already shifted to sea lanes in the Indian Ocean. Along the silk route, however, art flourished from this century for the next 700 years as a remarkable combination of stylistic elements drawn from India, Persia and China. Stone was scarce, but decorated wood pieces and tempera painting on wood was common. (Ref. 136 , 8 , 19 )

Forward to Central and Northern Asia: A.D. 301 to 400

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Questions & Answers

how does Neisseria cause meningitis
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Muhammad
is the branch of biology that deals with the study of microorganisms.
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studies of microbes
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Muhamad
they make spores
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the significance of food webs for disease transmission
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food webs brings about an infection as an individual depends on number of diseased foods or carriers dully.
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Assimilatory nitrate reduction is a process that occurs in some microorganisms, such as bacteria and archaea, in which nitrate (NO3-) is reduced to nitrite (NO2-), and then further reduced to ammonia (NH3).
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Elkana
Examples of thermophilic organisms
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Give Examples of thermophilic organisms
Shu
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Micheal Reply
Prevent foreign microbes to the host
Abubakar
they provide healthier benefits to their hosts
ayesha
They are friends to host only when Host immune system is strong and become enemies when the host immune system is weakened . very bad relationship!
Mark
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faisal Reply
cell is the smallest unit of life
Fauziya
cell is the smallest unit of life
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ok
Innocent
cell is the structural and functional unit of life
Hasan
is the fundamental units of Life
Musa
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Micheal Reply
There are nothing like emergency disease but there are some common medical emergency which can occur simultaneously like Bleeding,heart attack,Breathing difficulties,severe pain heart stock.Hope you will get my point .Have a nice day ❣️
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en français
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ESTHER Reply
Many sites of the body have it Skin Nasal cavity Oral cavity Gastro intestinal tract
Safaa
skin
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skin,Oral,Nasal,GIt
Sadik
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part of a tissue or an organ being wounded or bruised.
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what term is used to name and classify microorganisms?
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Binomial nomenclature
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Source:  OpenStax, A comprehensive outline of world history (organized by region). OpenStax CNX. Nov 23, 2009 Download for free at http://cnx.org/content/col10597/1.2
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