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It is important to keep in mind that a ten-fold increase in population can produce a ten-fold increase in the continent’s problems!

Remember that it is not only the population that is growing – there is an equal increase in the demand for food, educational opportunities, housing, energy and job opportunities. Many social, political, economic and ecological problems grow at the same rate.

Let us take as an example a country where the population grows faster than its capacity to produce food for its inhabitants. If the country has a strong economy and there is money to buy food, everything is fine, but what happens if this is not so?

Help must come from somewhere to buy food. For many years, help came from the “wealthy countries to the North”. But now we have to consider whether the “rich” countries will always come to the help of the “poor” countries?

In the USA, Canada and Europe, farmers produce more food than can be consumed by the inhabitants of those countries. The surplus food can be purchased and distributed in countries with chronic shortages or where natural disasters occur and cause great pain and suffering. Unfortunately, production costs are increasing to such an extent that it is becoming increasingly expensive to buy and distribute wheat, corn and rice to areas of need.

B. The Result:


The “rich North”Developed countriesControlled population growthHigh standard of living The “poor South”Developing countriesHigh population growthLow standards of living

Activity 3:

To identify the reasons ffor the phenomenon of rich and poor

[lo 1.2]

  • The following report appeared in Die Burger . Read it carefully and identify one of the reasons why many African countries were unable to rid themselves of backlogs after independence. Write your findings in the space provided below the report.

Leaders Steal Billions From African Countries, Says Obasanjo

LAGOS – According to president Olusegun Obasanjo of Nigeria, African leaders have stolen almost $140 billion (about R1 400 billion) from the continent in the past three or four decades.

On Thursday, in Addis Abeba, the capital city of Ethiopia, Obasanjo said that theft was the main cause of poverty in Africa.

He was addressing delegates from African communities at a conference of the Organisation of African Unity.

Obasanjo also called on world leaders to support Africa in its attempts to recover a part of this stolen money that is hoarded in bank accounts in foreign countries.

He said that African leaders were the main culprits but Western countries that held this stolen money, must also accept part of the responsibility.

He said, “We are attempting to organise an international convention, by which we will be able to recover the moneys stolen by corrupt African leaders and invested in foreign countries.”

“It is not enough to merely blame the developing countries,” Obasanjo said.

“Western countries must support the attempts made to recover the money stolen from our treasuries in practice,” he added.

Questions & Answers

Is there any normative that regulates the use of silver nanoparticles?
Damian Reply
what king of growth are you checking .?
What fields keep nano created devices from performing or assimulating ? Magnetic fields ? Are do they assimilate ?
Stoney Reply
why we need to study biomolecules, molecular biology in nanotechnology?
Adin Reply
yes I'm doing my masters in nanotechnology, we are being studying all these domains as well..
what school?
biomolecules are e building blocks of every organics and inorganic materials.
anyone know any internet site where one can find nanotechnology papers?
Damian Reply
sciencedirect big data base
Introduction about quantum dots in nanotechnology
Praveena Reply
what does nano mean?
Anassong Reply
nano basically means 10^(-9). nanometer is a unit to measure length.
do you think it's worthwhile in the long term to study the effects and possibilities of nanotechnology on viral treatment?
Damian Reply
absolutely yes
how to know photocatalytic properties of tio2 nanoparticles...what to do now
Akash Reply
it is a goid question and i want to know the answer as well
characteristics of micro business
for teaching engĺish at school how nano technology help us
Do somebody tell me a best nano engineering book for beginners?
s. Reply
there is no specific books for beginners but there is book called principle of nanotechnology
what is fullerene does it is used to make bukky balls
Devang Reply
are you nano engineer ?
fullerene is a bucky ball aka Carbon 60 molecule. It was name by the architect Fuller. He design the geodesic dome. it resembles a soccer ball.
what is the actual application of fullerenes nowadays?
That is a great question Damian. best way to answer that question is to Google it. there are hundreds of applications for buck minister fullerenes, from medical to aerospace. you can also find plenty of research papers that will give you great detail on the potential applications of fullerenes.
what is the Synthesis, properties,and applications of carbon nano chemistry
Abhijith Reply
Mostly, they use nano carbon for electronics and for materials to be strengthened.
is Bucky paper clear?
carbon nanotubes has various application in fuel cells membrane, current research on cancer drug,and in electronics MEMS and NEMS etc
so some one know about replacing silicon atom with phosphorous in semiconductors device?
s. Reply
Yeah, it is a pain to say the least. You basically have to heat the substarte up to around 1000 degrees celcius then pass phosphene gas over top of it, which is explosive and toxic by the way, under very low pressure.
Do you know which machine is used to that process?
how to fabricate graphene ink ?
for screen printed electrodes ?
What is lattice structure?
s. Reply
of graphene you mean?
or in general
in general
Graphene has a hexagonal structure
On having this app for quite a bit time, Haven't realised there's a chat room in it.
what is biological synthesis of nanoparticles
Sanket Reply
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