Answer:
IN ORDER
3.Arabs come into North Africa.
1. Islam spreads to western and southern of Africa.
2. All of North Africa comes under Muslim rule.
4.The gold-salt trade flourishes on the trans-Saharan route.
<u>Answer:</u>
For some food crops, in order to include resistance to certain pests, diseases, environmental conditions, reduction of spoilage, it is important to genetically modify the crops.
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Explanation:</u>
- In order for Jeffrey M Smiths proposed change in crops to succeed Genetically modified crops or GMC techniques are to be followed.
- In the GMC technique, the DNA of the agricultural plants has been altered using some methods of 'genetic-engineering'.
- The ultimate goal is to introduce a new feature that doesn’t occur to the plant naturally.
- For some food crops, in order to 'provide resistance to certain pests', resistance to some chemical treatments, diseases, environmental conditions.
- In 'reduction of spoilage', or even to improve the 'nutrient profile' of the crop etc., it is important to genetically modify the crops.
- Farmers have widely adopted to this Genetically modified crops technology.
The controversial work of the National Recovery Administration.
Hope This Helps :)
Lost land.
Increased deaths due to no immunity.
Loss of cultural practices. (Buffalo)
