Which of the following statements about volcanoes are <strong>CORRECT</strong>?<br>1. The strength of a volcano is measured by the Volcanic Explosive Index.<br>2. Iceland and Philippines were created by volcanic activity.<br>3. Volcanic soils are rich, deep and fertile and allow intensive agriculture to take place.<br>Select the <strong>CORRECT</strong> answer using the code given below.
- A. 1 and 2 only
- B. 2 and 3 only
- C. 1 and 3 only
- D. 1, 2 and 3 ✓
Correct Answer: D. 1, 2 and 3
Explanation
The Volcanic Explosivity Index (VEI) measures eruption magnitude. Island nations like Iceland and the Philippines are largely volcanic in origin. Volcanic soils (andosols) are extremely fertile and support intensive agriculture.
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