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.Management Sciences
A. 4.5 billion years
B. 4 billion years
C. 1 billion years
D. 6 billion years
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- Organic soil are called____________________?
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- When two or more functional groups of single ligand are coordinated to metal cation the complex is termed as___________________?
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- Solution containing molecular weight of a substance in gram per liter of a solution is known as______________________?
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- Secondary air pollution is _____________________?
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