The Sparrows have lost their chance to ever fully learn their song
Explanation:
when the sparrows don't learn their song during the critical period they can never learn it again fully. sparrows are lovely birds that have some very important symbols in the society like they represent diligence, hard work, caution and courage. they also represent joy and protection.
Sparrows chirp with their beautiful voices which is seen or heard as singing and every sparrow learns how to do this during the critical period and if the sparrow misses out on that critical period it will never really learn it fully again.
<h2>The following are the reasons why the location of the Sahel encourage the development of trade routes:
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The area between the southern edge of the Sahara desert and the northern edge of the Sudanian Savanna is referred to as the Sahel. This orientation of the region makes it have a moderate climate, which favors the development of a trade route.
The location of the Sahel region is almost central to the continent of Africa. The traders entering into the continent from Asia through Egypt can easily go to countries both in the south and the north because of the development of trade routes in the Sahel region.