Which of the following factors indicates a high risk for volcanic mudflows or lahars?
A) A shield volcano that forms a low mountain in the tropics
B) A volcano whose hillslopes are covered with hard basaltic lava
C) A volcano with a thick covering of snow or ice
D) All of these are correct.
C) A volcano with a thick covering of snow or ice
You might also like to view...
What is one of the beneficial results of movement of water within the ground? What will be an ideal response?
If increases in solar energy were causing global warming, the upper atmosphere would be:
A) cooler than the lower atmosphere. B) slightly warmer than the lower atmosphere. C) significantly warmer than the lower atmosphere. D) the same temperature as the lower atmosphere.
The global human population in 2015 is more than
A) 10 billion and is increasing at an annual rate of 5%. B) 2.2 billion and is no longer growing. C) 7.3 billion and is growing at a rate of 1.1%. D) 13 billion and is decreasing by 3% each year in developing nations.
Decomposition in a landfill will happen faster if there is more ________
A) methane B) air C) sunlight D) moisture E) natural gas