D. The study of a society and its natural environment, would be the closest definition
Answer:
A river valley civilization is an agricultural nation or civilization situated beside and drawing sustenance from a river. A "civilization" means a society with large permanent settlements featuring urban development, social satisfaction, specialization of labor, centralized organization, and written or other formal means of communication. A river gives the inhabitants a reliable source of water for drinking and agriculture. Additional benefits include fishing, fertile soil due to annual flooding, and ease of transportation. The first great civilizations, such as those in Mesopotamia, Harappa and Ancient Egypt, all grew up in river valleys. Tigris River flourished near Mesopotamia civilization and river nile flourished near civilization of Egypt.
Explanation:
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Most of the school using a focus on breathing. This is the first stage of the meditation and consist and stop distractions and just concentrate on breathing. This helps the student to control their emotions and improve concentration.
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9-The process of vision begins as lights passes through cornea and lens, the two combined produce a image of the visual stimuli on the retina. The eye resembes a camera, since the image on retina is reversed: The information located in the retina composed of electrical signals travels through the optic nerve to differents paths in the brain, in a tremendous speed we experience sight.
10- Proximity: The principle of proximity states objects that are close to one another appear to form a group. The eye tends to interpret them as a group if they are close.
Similarity- The principle of similarity refers to, all else being equal, the human perception lends itself to seeing stimuli that physically resemble each other as part of the same object. We tend to see a distinction between adjacent and objects that are overlapping based on a given visual texture and resemblance.
Continuity: When there is an intersection between two or more objects, Human mind has a tendency to perceive objects as a single continuos object.
Clousure: This refers to the mind’s tendency to see complete figures or forms even if a picture is incomplete, even when there are some missing lines.
