Volcanic domes commonly are partially destroyed when
A) gases are released slowly out the top of the dome, dissolving it.
B) steep parts of the dome collapse and cause small pyroclastic flows.
C) fast-moving, low-viscosity lava carries away part of the dome.
D) the center of the dome collapses, forming a composite volcano.
E) All of these are correct.
B) steep parts of the dome collapse and cause small pyroclastic flows.
You might also like to view...
Imagine a topographic profile from west of Narrows Park, along Braddock Run at the 700-foot contour line, to the 760-foot contour line south of Allegany High School at the southeast corner of the cemetery. How long is this profile line in straight distance? What is the highest point along the profile?
What will be an ideal response?
Compare and contrast the various types of depositional environments in which evaporite deposits
form. How do these deposits differ? What will be an ideal response?
The highest temperature ranges in the world are found in polar ice sheet climates
Indicate whether the statement is true or false
Suppose a weather forecast states the following: Cool today, with rain becoming heavy by this afternoon; slightly warmer tomorrow; winds southeasterly, becoming westerly to northwesterly by tomorrow morning. Which of the following types of weather fronts would be responsible for this forecast?
A. cold-type occluded front B. cold front C. warm-type occluded front D. warm front