NO1 Airline traffic between North America and Asia is very susceptible to ______

Question

NO1
Airline traffic between North America and Asia is very susceptible to __________ erupted from volcanoes in British Columbia and Alaska?

1. pyroclastic flows

2. Lava flows

3. Lahars

4. Volcanic bombs

5. Volcanic ash

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Why is the “Ring of Fire” found around the Pacific Ocean?



1. A lot of volcano research has been done in this area

2. Hot-spots occur at plate boundaries

3. There is an abundance of subduction zones

4. A lot of earthquakes occur there

5. An abundance of spreading ridges

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13. VQ13.2 (Points: 10)
The Volcanic Explosivity Index is NOT based on.... ?



1. Erupted volume

2. Eruption duration

3. Eruption column height

4. Eruption recurrence rate

5. either B or D

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Why are stratovolcanoes the most important type of volcano around the Pacific Rim?



1. they are typical of hot-spots

2. they are typical of continent-ocean subduction zones

3. they are found nowhere else

4. they are typical of continental rifting

5. they are typical of mid-ocean ridges

Explanation / Answer

1. Airline traffic between North America and Asia is very susceptible to __volcanic ash________ erupted from volcanoes in British Columbia and Alaska.

Why is the “Ring of Fire” found around the Pacific Ocean- A lot of earthquakes occur there

The Volcanic Explosivity Index is NOT based on-Eruption recurrence rate
Why are stratovolcanoes the most important type of volcano around the Pacific Rim?-they are typical of continent-ocean subduction zones

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