<span> What substance was responsible for a major ozone depletion in the 1900s? </span>
<span>In the 1920s, CFCs were invented and widely used because they were not too expensive, and were inflammable. By the 1990s, they were banned because they depleted ozone, and the only place Nature could destroy them was the intense solar radiation in the ozone layer. </span>
African colonies produced raw materials which were expropriated by the colonialists (centre nations). Furthermore, colonialism introduced a dual economic structure within the African economy. It also brought about disarticulation of African economy, education, trade, market, transport and currency institution.
Health
<span>In many developing countries, people are forced to drink low quality water from flowing streams, many of which are contaminated. There are many water-borne disease that </span>
<span>people die of.
</span>Hunger
<span>It takes a lot of water to grow food and care for animals. Experts say that globally we use 70% of our water sources for agriculture and irrigation, and only 10% on domestic uses.
</span>Education
<span>It is a bit hard to see how water and education is related. For many people in other parts of the world children (and teen girls) have to be up at dawn to collect water for the family.
</span>Poverty<span>
Access to quality water is key to economic prosperity and better living standards. Businesses and schools thrive when people come to work on time and not have to spend all morning looking for water. Restaurants, hotels and shopping places need to keep clean to attract tourists and foreign investments.</span><span>
The effects of water scarcity can be grouped into these 4 broad areas— Health, Hunger, Education and Poverty.
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