He mainly contributed exploring the processes of courtship and divorce. He established the so-called principle of least interest, which states that the person who is part of the group, but is the one having the least interest of continuing with the relationship, is the one who has the most power over it. He applies the concept to personal, business and other types of relationships.
In 1932, he published The Sociology of Teaching. He is described as an early classic in the field of education. He extended, for the first time, the idea of considering schools as organizations with an important social role.
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Answer:
The correct answer is B. They are a collection of minerals or a body of glass.
Explanation:
The study of rocks needs the observation of their characteristics; its characteristics depend on the properties of the minerals that compose it, its relative amounts and the way in which these were joined to originate the rock. Texture is the external appearance of any rock. It depends on the shape, size and internal arrangement of mineral crystals. Each of these characteristics maintains its specific properties (chemical and physical) in the rock as a whole.
In a rock we can distinguish two types of minerals:
Essential minerals. They are the ones that constitute the nature of the rock and give it its characteristics and properties for being in greater proportion. The lack of one of them would result in the formation of a different rock with different properties.
Accessory minerals These are minerals that appear occasionally in very low proportions within the typical composition of a particular rock. Its presence does not alter the basic characteristics of the rock.
Answer:
honestly I don't see the question in this
