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10 questions
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  • Q1

    An impending volcanic eruption causes ground swelling, ground tilting, and ground fissuring due to _______. 

    lava intrusion

    magma intrusion

    magma chamber

    formation of magma

    15s
  • Q2

    _____ glow due to the presence of magma at or near the crater.

    vent

    volcano

    crater

    magma

    15s
  • Q3

    Signs of impending volcanic eruption are the development of new thermal areas and/or reactivation of old ones; the appearance of ______.

    salofatara

    solafotara

    solfatara

    salfotara

    15s
  • Q4

    There can be an increased steaming activity before a volcano erupts and the steam emission’s color changes from ________. 

    gray to white

    white to gray

    white to black

    gray to black

    15s
  • Q5

    Increase in the frequency of volcanic quakes with rumbling sounds; the occurrence of volcanic ______.

    turmoils

    rumors

     tremors

     tumors

    15s
  • Q6

    There is a noticeable increase in the extent of drying up vegetation around the volcano’s upper slopes.

    true
    false
    True or False
    15s
  • Q7

    There is a decrease in the temperature of hot springs near the volcano.

    false
    true
    True or False
    15s
  • Q8

    Drying up of springs/wells around the volcano.

    true
    false
    True or False
    15s
  • Q9

    Noticeable variation in the chemical content of springs, crater lakes within the vicinity of the volcano.

    true
    false
    True or False
    15s
  • Q10

    Localized landslides, rockfalls, and landslides from the summit area which are attributable to heavy rains.

    false
    true
    True or False
    15s

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