Answer:The demand curve for doughnuts will shift to the left.
Explanation:
For close substitute products the effect on the price of one substitute will affect the demand of the other substitute, if one substitute faces price fall the demand of the other substitute will fall .
How does Shifts in demand occur?
Depending on the demand the curve will shift to the right or left
When the demand increases the demand curve shift to the right .
Which may be due to things like a price increase of a substitute or a price fall of the complement.
This shift to the right is mostly determined by how popular a product is which could make people buy it irrespective of how much it cost.
Decreases in demand will result in shifting of a demand curve to the left which may be due to a price fall of the substitute product or a rise price of the complement or when people no longer have enough money to buy the product.
The answer would be A. A is correct becuase there were many geographies such as hills, places near water, and many more different geography. B is incorrect because they didnt wish to avoid diseases. They didnt live far apart for that reason. C is incorrect because they all spoke the same language. D is incorrect becuase they didnt really seperate people based on what they did. They needed it to be equal throughout every community.
A/An functional disorder produces symptoms for which no physiological or anatomical cause can be identified.
The function disorder is a condition that interferes with the normal functioning of processes in the body and is rarely detected by examination, dissection, or even under a microscope. There is no abnormality externally.
Itching is one such example of a functional symptom. As such, it has nothing to do with physical or biochemical changes, but it remains a very real and concrete sensation. The same applies to fatigue, chronic headaches or insomnia.
Physical disability for which there is no known or demonstrable organic basis for symptoms, but is believed to be the result of psychological factors such as emotional conflict and stress. Functional disease.
Learn more about disorders here:brainly.com/question/25771019
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Gram-negative microbes are surrounded by two layers of membrane, between which lies a periplasmic space.