Author Question: There has been some success demonstrated in controlling lava flows by using ____. a. water to ... (Read 86 times)

renzo156

  • Hero Member
  • *****
  • Posts: 526
There has been some success demonstrated in controlling lava flows by using ____.
   a. water to harden the leading edge of the flow
   b. bulldozed trenches for the lava flow to follow
   c. high explosives to disperse the lava over a wide area to cool
   d. levees of older lava to funnel the flow into a valley
   e. aerial bombing of the volcano caldera

Question 2

Harmonic tremors are ____.
   a. strong earthquakes generated by an eruption
   b. strong aftershocks generated after an eruption
   c. the effect of magma dome collapse
   d. weak earthquakes that precede an eruption
   e. the effect of large gas emissions



LegendaryAnswers

  • Sr. Member
  • ****
  • Posts: 341
Answer to Question 1

ANSWER: a

Answer to Question 2

ANSWER: d



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
 

Did you know?

Once thought to have neurofibromatosis, Joseph Merrick (also known as "the elephant man") is now, in retrospect, thought by clinical experts to have had Proteus syndrome. This endocrine disease causes continued and abnormal growth of the bones, muscles, skin, and so on and can become completely debilitating with severe deformities occurring anywhere on the body.

Did you know?

Patients should never assume they are being given the appropriate drugs. They should make sure they know which drugs are being prescribed, and always double-check that the drugs received match the prescription.

Did you know?

The Babylonians wrote numbers in a system that used 60 as the base value rather than the number 10. They did not have a symbol for "zero."

Did you know?

Hypertension is a silent killer because it is deadly and has no significant early symptoms. The danger from hypertension is the extra load on the heart, which can lead to hypertensive heart disease and kidney damage. This occurs without any major symptoms until the high blood pressure becomes extreme. Regular blood pressure checks are an important method of catching hypertension before it can kill you.

Did you know?

Urine turns bright yellow if larger than normal amounts of certain substances are consumed; one of these substances is asparagus.

For a complete list of videos, visit our video library