Central to secondary prevention is early identification of drug problems. Secondary prevention includes activities aiming at early detection problem or disease. After this, all necessary activities are undertaken to prevent further spread of disease, social problems or risky behavior. In this case, secondary prevention includes early detection of drug addict or behavior disorders which is caused by using drugs.
Answer:
5 hours
Explanation:
Usually, my instructor is busy but he tends to reply to us whenever he gets time. During the working days, an instructor should recognize the fact that the students need to reach to him for certain queries and he should provide a resource for them to be available for them. Generally, students tend to reach instructors via messages and e-mail. An instructor should try to respond to the emails and messages in the working days.
Answer:
Leadership , economic influence , political influence , strong international alliances and strong military alliances make nation powerfull.
Explanation:
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Answer:
Trans-Sahara trade is one of the oldest trading networks in Africa.
Explanation:
The trading network requires to travel across the Sahara between sub-Saharan Africa and North Africa. Existing since prehistoric times, it reached its peak in the 8th century. In West Africa, the changes came in Ghana when the Almoravids sacked the city and the Ghāna Empire decline.
Mali rise in the 13th century as gold became the core of the trans-Saharan trade. The Trans-Sahara trade saw the rise of empires like Mali, Songhay, and Bono-Mansu. Expansion of urban centres and towns happened as Kano became one of the urban centres in West Africa. Trade also saw the rise of trading classes call the Wangara.
