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E konomiese stootfaktore

  • Weens ‘n ineenstorting in ‘n land se ekonomie, word mense gedwing om na ander lande te vlug om kos te vind. ‘n Voorbeeld hiervan is die hongersnood wat in Ierland geheers het in 1840 weens die mislukking van die aartappeloes. Sowat 5 miljoen mense het gesterf weens ‘n skaarste aan kos.

O mgewingstootfaktore

  • Water speel hier ‘n groot rol – of te min (droogte) of te veel (vloed). In die VSA en Kanada is dit ‘n algemene bedreiging. Dit kan mense dwing om hulle huise te verlaat om te oorleef.

Aktiwiteit 3:

Om deur navorsing voorbeelde van stootfaktore te vind

[lu 1.7]

In groepe

Besoek die biblioteek en vind twee voorbeelde van elk van die volgende stootfaktore:

a) Politieke faktore

b) Ekonomiese faktore

c) Omgewingsfaktore

2.2 Trekfaktore

P olitieke trekfaktore

  • Soms kan lande met ‘n demokratiese regering gewild wees as bestemming vir immigrasie. Sommige persone wat in ‘n land woon waar die politieke stelsel baie min vryheid toelaat, mag verkies om die land te verlaat. ‘n Voorbeeld hiervan is die vloei van immigrante vanaf Oos- na Wes-Europa. Dit het egter baie afgeneem na die val van die Berlynse Muur.

E konomiese trekfaktore

  • Mense trek graag na gebiede waar daar werksgeleenthede beskikbaar is. ‘n Voorbeeld hiervan is die ontginning van natuurlike hulpbronne, soos olie en goud. Kan jy aan nog ‘n plek of dorp dink wat sy bestaan aan minerale te danke het? Ten spyte van ‘n uiterste klimaat, sal mense steeds na die gebiede gaan om ‘n inkomste te verdien. ‘n Voorbeeld is werkers op oliebore in die Noordsee.

O mgewingfaktore

  • Mense verkies om in ‘n gebied te woon met ‘n gematigde klimaat. Hulle vermy gebiede wat of baie warm of baie koud word. Sommige mense verkies weer ‘n baie droë klimaat, weens hulle gesondheid, byvoorbeeld persone wat aan asma ly.

Aktiwiteit 4:

Om deur navorsing inligting oor emigrasie op te spoor

[lu 2.3]

In pare

Soek inligting oor die getal mense wat Suid-Afrika verlaat het weens emigrasie tussen 1993 en 1997. Teken nou ‘n grafiek wat die getal vir elke jaar aandui en stel vas of daar ‘n toename of afname was in die getal persone wat die land verlaat het.

Navorsing

Doen navorsing oor een van die volgende tipe migrante:

a) slawerny

b) gasarbeiders

c) studente

Assessering

Leeruitkomstes(LUs)
LU 1
AARDRYKSKUNDIGE ONDERSOEK Die leerder is in staat om ondersoekvaardighede te gebruik om aardrykskundige en omgewingsbegrippe en –prosesse te ondersoek.
Dit is duidelik wanneer die leerder:
  • 1.2 inligting uit kaarte en atlasse en uit grafiese en statistiese bronne interpreteer [werk met bronne];
  • 1.5 inligting in die veld waarneem en dit opteken [werk met bronne];
  • 1.7 op verskeie maniere verslag doen oor kennis wat tydens die ondersoek verkry is deur ‘n redenasie gegrond op inligtingsbronne te formuleer; gebruik kaarte, diagramme en grafika; gebruik, waar moontlik, rekenaars in die aanbieding [dra die antwoord oor].
LU 2
AARDRYKSKUNDIGE KENNIS EN BEGRIP Die leerder is in staat om aardrykskundige en omgewingskennis en -begrip te toon.
Dit is duidelik wanneer die leerder:
  • 2.1 verskeie soorte nedersettingspatrone identifiseer en vergelyk [mense en plekke];
  • 2.2 faktore wat die vorming van nedersettingspatrone beïnvloed (natuurlike, ekonomiese, sosiale/politieke faktore) [mense en hulpbronne];
  • 2.3 kritieke faktore identifiseer wat tot die verandering in nedersettingspatrone in Suid-Afrika, Afrika en elders gelei het [mense en omgewing].

Memorandum

AKTIWITEIT 1

  • Emigrasie na die buiteland
  • Die tekort aan werksgeleenthede

Veiligheidsituasie in Suid-Afrika

Plaasmoorde

Toenemende vlaag van geweldmisdaad in Suid-Afrika, ens.

AKTIWITEIT 2 en 3

Eie antwoorde

AKTIWITEIT 4

Eie navorsing

Questions & Answers

find the 15th term of the geometric sequince whose first is 18 and last term of 387
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20/(×-6^2)
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or infinite solutions?
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The answer is neither. The function, 2 = 0 cannot exist. Hence, the function is undefined.
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No. 7x -4y is simplified from 4x + (3y + 3x) -7y
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Yes, Nanotechnology has a very fast field of applications and their is always something new to do with it...
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In this morden time nanotechnology used in many field . 1-Electronics-manufacturad IC ,RAM,MRAM,solar panel etc 2-Helth and Medical-Nanomedicine,Drug Dilivery for cancer treatment etc 3- Atomobile -MEMS, Coating on car etc. and may other field for details you can check at Google
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At high concentrations (>0.01 M), the relation between absorptivity coefficient and absorbance is no longer linear. This is due to the electrostatic interactions between the quantum dots in close proximity. If the concentration of the solution is high, another effect that is seen is the scattering of light from the large number of quantum dots. This assumption only works at low concentrations of the analyte. Presence of stray light.
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Source:  OpenStax, Aardrykskunde graad 8. OpenStax CNX. Sep 11, 2009 Download for free at http://cnx.org/content/col11035/1.1
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