Which one is correct?

A. Explainaition
B. Explaination
C. Explanation
D. Explanaition

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What was the old name of Saudi Arabia____?

A. Jabal-e-Tariq
B. Majd and Hejaz
C. Bakkah and Yasrib
D. Najd and Hejaz

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The highest navigable lake in the world is:__________?

A. Lake Victoria
B. Titicaca Lake
C. Haleji Lake
D. None of these

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Bosphorus, also known as___________?

A. Strait of Black Sea
B. Strait of Marmara
C. Strait of Aegean
D. Strait of Istanbul

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The soul of chemistry is dealing with___________?

A. Internal structural changes in matter
B. Composition of matter
C. Properties of matter
D. Composition and properties of matter

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Which of the following is the most toxic gas?

A. Carbon dioxide
B. Carbon monoxide
C. Nitrogen
D. Hydrogen

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