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प्रश्न
About ______ of the earth’s crust is made up of eight elements.
पर्याय
89%
98%
80%
90%
MCQ
रिकाम्या जागा भरा
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उत्तर
About 98% of the earth’s crust is made up of eight elements.
Explanation:
About 98% of the earth’s crust is made up of eight elements: oxygen, silicon, aluminium, iron, calcium, sodium, potassium, and magnesium. These elements combine to form nearly 2000 minerals in the crust. This high percentage shows the dominance of these eight elements in the earth’s crust composition.
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