This topic contains a solution. Click here to go to the answer
« previous next »

Author Question: Which option best describes the direction of the eruption of Mount St. Helens and the cause of this ... (Read 87 times)

CQXA

  • Hero Member
  • *****
  • Posts: 546
on: Jul 16, 2018
Which option best describes the direction of the eruption of Mount St. Helens and the cause of this action, according to Figure 15.24 in your textbook?
 
  A) Magma pressure built up and caused a vertical eruption of magma and ash.
  B) A rock slide released pressure on the magma, causing a horizontal eruption.
  C) An earthquake sheared off part of the mountain, causing a horizontal eruption.
  D) An earthquake opened a vent in the top of the mountain, releasing pressure on the magma and causing a vertical eruption.

Question 2

Put the following events in order from those that occur with the greatest driving force to those that occur with the least driving force and/or have the least effect on hillside stability.
 
  1. erosion 2. magma intrusion 3. volcanic eruption 4. liquefaction 5. earthquake
  A) 1, 2, 3, 5, 4
  B) 2, 1, 4, 5, 3
  C) 3, 4, 5, 2, 1
  D) 4, 5, 2, 3, 1


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

dyrone

  • Sr. Member
  • ****
  • Posts: 322
Reply #1 on: Jul 16, 2018
Answer to Question 1

Answer: B

Answer to Question 2

Answer: D


CQXA

  • Member
  • Posts: 546
Reply 2 on: Jul 16, 2018
Great answer, keep it coming :)

bigsis44

  • Member
  • Posts: 317
Reply 3 on: Yesterday
:D TYSM

« previous next »
 

Did you know?

There used to be a metric calendar, as well as metric clocks. The metric calendar, or "French Republican Calendar" divided the year into 12 months, but each month was divided into three 10-day weeks. Each day had 10 decimal hours. Each hour had 100 decimal minutes. Due to lack of popularity, the metric clocks and calendars were ended in 1795, three years after they had been first marketed.

Did you know?

Patients who have undergone chemotherapy for the treatment of cancer often complain of a lack of mental focus; memory loss; and a general diminution in abilities such as multitasking, attention span, and general mental agility.

Did you know?

Stevens-Johnson syndrome and Toxic Epidermal Necrolysis syndrome are life-threatening reactions that can result in death. Complications include permanent blindness, dry-eye syndrome, lung damage, photophobia, asthma, chronic obstructive pulmonary disease, permanent loss of nail beds, scarring of mucous membranes, arthritis, and chronic fatigue syndrome. Many patients' pores scar shut, causing them to retain heat.

Did you know?

The most common treatment options for addiction include psychotherapy, support groups, and individual counseling.

Did you know?

The first documented use of surgical anesthesia in the United States was in Connecticut in 1844.

Relationships between direction of flow of blood and water or air in different vertebrates. Relationships between direction of flow of blood and water or air in different vertebrates.
Succession on Mount St. Helens. Succession on Mount St. Helens.
Retrograde pyelogram. A contrast medium is injected into the ureter using a cystoscope, and the X-ra Retrograde pyelogram. A contrast medium is injected into the ureter using a cystoscope, and the X-ra
After the Eruption of Mount St. Helens in 1980 After the Eruption of Mount St. Helens in 1980
Grace Service, a YMCA missionary, explained that these porters worked at the base of Mount Omei in S Grace Service, a YMCA missionary, explained that these porters worked at the base of Mount Omei in S
A typical 1/2 inch drive air impact wrench. The direction of rotation can be changed to loosen or ... A typical 1/2 inch drive air impact wrench. The direction of rotation can be changed to loosen or ...
Video: Polymerase chain reaction PCR - Animation

For a complete list of videos, visit our video library