Agriculture is by far the single most important economic activity in Africa. It provides employment for about two-thirds of the continent's working population and for each country contributes an average of 30 to 60 percent of gross domestic product and about 30 percent of the value of exports.
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Vaccination to prevent diseases. Vegan diets or whatever diets will not prevent them from having a better immune system to fight off such diseases
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to reduce the amount of excavation work required for the canal above sea level and then lower the ships at the other end
Explanation:
Answer:
From my experience, it is more difficult to slide a crate on a shag carpet because of the material the carpet is made out of. When it is a tile floor it will just slide with ease.
Explanation:
It was used as an engine in locomotive trains, & also in steam boats. it also helped create electricity which allowed things such as morse code & synchronization of the world’s clocks.
