Answer:
reductionism
Explanation:
This statement of the brain's actions as an explanation of physiological hunger sensation is involved with the concept of reductionism. Reductionism is process of describing or analysing a complex phenomenon by using its sub/simpler constituents. Describing the brains regulation of hunger by using the blood glucose level and an empty stomach is reductionism. The concept of hunger has been reduced to a small unit of explanation, that is, an empty stomach and low blood sugar.
I think you mean the Umayyad Caliphate and your question is from which country to which country this empire streched at the time (correct me if I'm wrong!)
So, their conquest of Spain hasn't started till 711 on the West, their land streched to today's Morocco.
In the east, they have reached the north of India, what is today mostly in Pakistan.
Answer - A - Cotton was a primary cash crop
Reasoning - First we have to look at the question (Southern Economy). Which already gives you a hint that yes all the other industrialization and delivery help with money. But not as cotton was a base line for cash crop and its was the foundation to the south. Without cotton being a primary cash crop or white gold. Will equal to no money for the south economy. Yes A is the correct answer.
Sample are the characteristics of the individuals of the population being studied
Answer: D.The size of the beaver population will increase.
Explanation: