Problem 20
The Hawaiian Islands and Emperor Seamounts were formed when the Pacific Plate moved over a fixed hot spot. If the Emperor chain trends in a direction different from the Hawaiian Islands, what can you infer about the Pacific Plate?
Problem 20
How can pillow-shaped bodies form from lava?
Problem 21
Make a network-tree concept map about where volcanoes can occur. Include the following words and phrases: hot spots, divergent plate boundaries, convergent plate boundaries, volcanoes, can occur, examples, Iceland, Soufrière Hills, and Hawaiian Islands.
Problem 23
How do volcanoes affect people and their property? List four safety precautions for people living in volcanic areas.
Problem 23
The base of the volcano Mauna Loa is about \(5,000 \mathrm{~m}\) below sea level. The total height of the volcano is \(9,170 \mathrm{~m}\). What percentage of the volcano is above sea level? Below sea level?
