Answer:
The answer is: <u>calcite</u>
Explanation:
Caliche is a natural hardened cement, which is composed of calcium carbonate. It is a layer of soil which binds the other soil materials like sand, gravel, silt and clay together.
Caliche is naturally formed in desert soil after rainstorms. During precipitation, the calcium dissolved in rain water is added to the desert soil, which then combines with the dissolved carbon dioxide in the soil water to form insoluble calcium carbonate, known as calcite.
B. the North and South. black people started moving from the rural south to the industrialnirth
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By carving symbols into walls of pyramids and/or caves
- limited the freedom of movement of nonwhite citizens
- created separate residential and business districts
- forced the relocation of black residents to rural “homelands”
Apartheid was a policy of social segregation that took place in South Africa between 1948 and 1994, with the rise of the National Party, whose government was composed of a white minority. The country was governed by this minority who adopted since 1948 a policy of racial segregation.
With the strengthening of the regime between the 1960s and 1970s, strong opposition was present. The National Party had as its parameter the ideas of white racial superiority and for the maintenance of its government and that system invested in constant vigilance and repression.