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

Author Question: The caldera now filled by Crater Lake a. is the center of the Mazama resurgent caldera b. formed ... (Read 103 times)

fbq8i

  • Hero Member
  • *****
  • Posts: 527
on: Jul 13, 2018
The caldera now filled by Crater Lake
   a. is the center of the Mazama resurgent caldera
   b. formed as the top of the Mt. Mazama collapsed into the magma chamber after a major eruption
   c. was formed in a titanic eruption that destroyed Mt. Mazama and blasted pieces of it over hundreds of square kilometers.
   d. is the cooled vent formed when Mt. Mazama became an extinct volcano
   e. prevents future eruptions by providing a way to cool rising magma

Question 2

Forecasts of the Mt. St. Helens eruption in 1980 were ____.
   a. accurate about the force of the eruption, but not its timing
   b. mostly incorrect, leading to mistrust by local authorities and residents
   c. mostly correct, but were not acted on properly by authorities and residents
   d. not made, because the proper technology had not been developed
   e. correct, but did not reach local authorities in time to act on them


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

Li Jun

  • Sr. Member
  • ****
  • Posts: 335
Reply #1 on: Jul 13, 2018
Answer to Question 1

ANSWER: b

Answer to Question 2

ANSWER: c


fbq8i

  • Hero Member
  • *****
  • Posts: 527
Reply #2 on: Jul 13, 2018
Correct answers!


Li Jun

  • Sr. Member
  • ****
  • Posts: 335
Reply #3 on: Jul 13, 2018
Great! Please up vote :D


« previous next »
 

Did you know?

Addicts to opiates often avoid treatment because they are afraid of withdrawal. Though unpleasant, with proper management, withdrawal is rarely fatal and passes relatively quickly.

Did you know?

Vaccines cause herd immunity. If the majority of people in a community have been vaccinated against a disease, an unvaccinated person is less likely to get the disease since others are less likely to become sick from it and spread the disease.

Did you know?

In 1885, the Lloyd Manufacturing Company of Albany, New York, promoted and sold "Cocaine Toothache Drops" at 15 cents per bottle! In 1914, the Harrison Narcotic Act brought the sale and distribution of this drug under federal control.

Did you know?

Chronic marijuana use can damage the white blood cells and reduce the immune system's ability to respond to disease by as much as 40%. Without a strong immune system, the body is vulnerable to all kinds of degenerative and infectious diseases.

Did you know?

There are approximately 3 million unintended pregnancies in the United States each year.

Freshwater lake, Canada Freshwater lake, Canada
Feral Chocolate/White Muscovy Duck hen at Lake Union, Seattle Feral Chocolate/White Muscovy Duck hen at Lake Union, Seattle
The formed elements: In this image, the red cells are red, the white cells are white, and the ... The formed elements: In this image, the red cells are red, the white cells are white, and the ...
A normally worn spark plug that has a tapered platinum-tipped center electrode. A normally worn spark plug that has a tapered platinum-tipped center electrode.
Formation of an Impact Crater Formation of an Impact Crater
A longitudinal cut through the center of a shoot top of Coleus, a eudicot A longitudinal cut through the center of a shoot top of Coleus, a eudicot
Video: DNA Replication Factory and Protein

For a complete list of videos, visit our video library