Answer:
b) sensory adaptation.
Explanation:
Sensory adaptation: It refers to the process that signifies the change in the sensory receptor's sensitivity occurs concerning the stimulus relation. All senses that are present tend to experience sensory adaptation. The sensory adaptation reduces the tendency of a person's awareness towards a constant stimulus.
In the question above, the change in Carlos's reaction to the volume of the music illustrates the phenomenon of sensory adaptation.
Answer: There are many natural and human developed factors which affect the population distribution.
Explanation:
Natural factors:
Landforms: Plains are the most crowded places of survival of human population as they provide suitable land area for survival. The mountains and deserts are not preferred because the landforms are not suitable for survival.
Climatic conditions: Majority of people prefer to stay in areas with moderate climatic conditions.
Government policies: Those areas where government policies restrict the migration and trade of people are sparsely populated areas.
Hazard prone areas: Places where chances of oceanic tides, thunderstorms, volcanic eruptions are prominent are least occupied areas.
Main cause of population growth in urban areas are as follows:
1. Availability of food, shelter, medical, and literacy.
2. Availability of recreational areas, picnic spots, and other places.
3. Availability of occupational opportunities and chances of increase in income growth are prominent in urban areas as compared to rural areas.
Before the Portuguese explored and went to the East, in order to obtain the Asian goods, they had to trade with the Muslims and was more expensive. But, after Vasco de Gama reached India, the Portuguese had a sea route that gave them direct access to Asia which meant no more trading with the Muslim. They could trade with the rest of Europe and sell for cheaper.
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