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A.d. 801 to 900

Backward to A.D. 701 to 800

The most memorable feature of this century is the great Viking invasions, but the concurrent developments of the empires of Charlemagne and the Moslem Arabs are equally important to the Eurasian world. The Far East continued to have "barbarian" troubles, but in middle America it was the climax of the Classical Period.

The christian church

The papacy at Rome sank to one of its lowest ebbs with a series of incompetent, immoral and irresponsible popes. In the eastern church, iconoclasm, which had produced a large crop of martyrs and exiles while it lasted, was officially banned in A.D. 843. (Ref. 8 )

The islamic church

Similarly, the headquarters of the Islamic Church in Baghdad had a period of liquor, lechery, luxury and sloth which corrupted the caliphate. In this era Islam tolerated Christians and there were 11,000 Christian churches in various parts of the Islamic realm. The two main sources of Islamic knowledge were the Koran and the Tradition, a collection of reports of the acts and sayings of the Prophet and his companions. Ultimately six standard compilations of Tradition were produced in this century. Under the Abbasids, the direct descendents of Ali were allowed special privilege as religious leaders, known as ulema and this compromise between political and religious leadership was known as the "Abbasid Compromise" and those accepting this became known as Sunnites. (Ref. 68 ) At the end of the century, however, a group of the followers of Ali, called "Carmathians" developed the heretical Shi'ite sect, which was to grow into a powerful force in the future of the religion.

In limited respects this and the next century were actually the Golden Age of Islam, particularly in Spain, where many features were different than in the rest of the Moslem world. Music was prized, intellectual activity was great and tolerance was complete, with many marriages between Christians and Muslims. The Christian King Alfonso III even sent his son, the future Ordono II, to be educated at the Muslim court of Zaragoza. (Ref. 213 )

International jewry

Groups of Jews settling in Germany developed Yiddish as a unique language, combining German, Hebrew and other sources. (Ref. 222 ) Additional Notes

Networks of Jewish merchants stretched over all the world from Egypt and Ethiopia to India and China via the Red Sea, Persian Gulf and the Indian Ocean. (Ref. 260 , 292 )

Forward to A.D. 901 to 1000

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Questions & Answers

how does Neisseria cause meningitis
Nyibol Reply
what is microbiologist
Muhammad Reply
what is errata
Muhammad
is the branch of biology that deals with the study of microorganisms.
Ntefuni Reply
What is microbiology
Mercy Reply
studies of microbes
Louisiaste
when we takee the specimen which lumbar,spin,
Ziyad Reply
How bacteria create energy to survive?
Muhamad Reply
Bacteria doesn't produce energy they are dependent upon their substrate in case of lack of nutrients they are able to make spores which helps them to sustain in harsh environments
_Adnan
But not all bacteria make spores, l mean Eukaryotic cells have Mitochondria which acts as powerhouse for them, since bacteria don't have it, what is the substitution for it?
Muhamad
they make spores
Louisiaste
what is sporadic nd endemic, epidemic
Aminu Reply
the significance of food webs for disease transmission
Abreham
food webs brings about an infection as an individual depends on number of diseased foods or carriers dully.
Mark
explain assimilatory nitrate reduction
Esinniobiwa Reply
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).
Elkana
This process is called assimilatory nitrate reduction because the nitrogen that is produced is incorporated in the cells of microorganisms where it can be used in the synthesis of amino acids and other nitrogen products
Elkana
Examples of thermophilic organisms
Shu Reply
Give Examples of thermophilic organisms
Shu
advantages of normal Flora to the host
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
what is cell
faisal Reply
cell is the smallest unit of life
Fauziya
cell is the smallest unit of life
Akanni
ok
Innocent
cell is the structural and functional unit of life
Hasan
is the fundamental units of Life
Musa
what are emergency diseases
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 ❣️
_Adnan
define infection ,prevention and control
Innocent
I think infection prevention and control is the avoidance of all things we do that gives out break of infections and promotion of health practices that promote life
Lubega
Heyy Lubega hussein where are u from?
_Adnan
en français
Adama
which site have a normal flora
ESTHER Reply
Many sites of the body have it Skin Nasal cavity Oral cavity Gastro intestinal tract
Safaa
skin
Asiina
skin,Oral,Nasal,GIt
Sadik
How can Commensal can Bacteria change into pathogen?
Sadik
How can Commensal Bacteria change into pathogen?
Sadik
all
Tesfaye
by fussion
Asiina
what are the advantages of normal Flora to the host
Micheal
what are the ways of control and prevention of nosocomial infection in the hospital
Micheal
what is inflammation
Shelly Reply
part of a tissue or an organ being wounded or bruised.
Wilfred
what term is used to name and classify microorganisms?
Micheal Reply
Binomial nomenclature
adeolu
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Source:  OpenStax, A comprehensive outline of world history. OpenStax CNX. Nov 30, 2009 Download for free at http://cnx.org/content/col10595/1.3
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