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This section includes 2 Mcqs, each offering curated multiple-choice questions to sharpen your Biology Questions and Answers knowledge and support exam preparation. Choose a topic below to get started.
1. |
Which of these components have the least percentage by weight in the Earth’s crust? |
A. | Oxygen |
B. | Sodium |
C. | Magnesium |
D. | Nitrogen |
Answer» E. | |
2. |
What percentage of the Earth’s crust is Sulphur? |
A. | 0.14 |
B. | 46.6 |
C. | 0.03 |
D. | 2.8 |
Answer» D. 2.8 | |