Provide three examples of how lahars can form
What will be an ideal response?
Answer: Answers can include:
- Eruption melts ice cap on volcano; meltwater mixes with volcanic debris.
- Debris from volcanic landslide can mix with a large body of water (e.g., a lake).
- Heavy rains saturate volcanic deposits during, or years after, an eruption
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Which of the following areas provides a good regional source for an air mass?
A. mountain areas with deep valleys and strong surface winds B. generally flat areas of uniform composition with light surface winds C. mountain areas with deep valleys and light surface winds D. generally flat areas of uniform composition with strong surface winds
Criticism against the WTO has largely come from the right, who charge that the WTO is antidemocratic, because decisions are made behind closed doors in the interest of large corporations rather than the poor
Indicate whether the statement is true or false.
Wind erosion appears to be most important in the formation of pediments. Indicate whether the statement is true or false
Both the Aborigines and the Maori had long periods of time to establish their _______________ in the region before the Europeans arrived.
Fill in the blank(s) with the appropriate word(s).