It was believed that even numbers are unlucky.
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Explanation: </u>
It is an old superstitious belief that even numbers are unlucky. In respect of the same superstition, a gun salute is set off odd numbers.
It is a gesture of bestowing great honor on a significant individual. Since long back in history, symbolism has been denoted to every numerical known. Hence, firing a gun for a certain of an odd number of times symbolizes varied kinds of respect in every country.
Some countries fire shots 21 times because number seven is sacred and lucky. Hence 
Answer:
1. Which process changes igneous rock into metamorphic rock?
<u>The temperature, pressure, or fluid environment change, and the igneous rock changes its form and becomes metamorphic.</u>
2. Which process changes sedimentary rock into igneous rock?
<u>With tremendous heat and pressure, the sedimentary rock will melt and be back again to magma. After some time it will cool and harden and will become Igneous.</u>
3. Which process changes metamorphic rock into sedimentary rock?
<u>Metamorphic rocks change into sedimentary rocks through the process of weathering. The metamorphic rock will weather, then come to a place where it will layer down and sedimentary.</u>
9. Metamorphism involves the addition of <u>heat</u> and <u>pressure</u> to pre-existing rocks.
10. The compaction & cementation of sediments form <u>sedimentary</u> rocks.
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Federalism is a type of government where power is divided between the central or general government and the regional government. This type of government is usually characterized by a separation of powers between three tiers of government: executive, judiciary and legislative arms of government.
Federalism differs sharply from unitary and confederation form of government. In unitary form of government, power rests at the central government as opposed to the federal system where power is shared equally. In confederation systems, the states are more powerful than the central government thereby contrasting with the Unitary system of government and federal system government.
The United States's Federal system of government has been the perfect example of a federal system since America's federal system adoptment in 1776.
The way that Marxism different from the socialism advocated by Owens and Fourier was: <span>Marx described a system where the bourgeois capitalists were the tools of revolution.
According to marx, capitalistic society wouldn't be able to last forever because at some point, the people in lower economic bracket will revolt to the rich and create chaos in the society</span>
