An increase in earthquake magnitude by one whole number (for example, from 6 to 7) means that the energy released has increased by a factor of about ____
a. 3
b. 30
c. 300
d. 3000
e. 30,000
B
Environmental & Atmospheric Sciences
You might also like to view...
Which major religion did not originate in Northern Africa and Southwestern Asia?
A. Christianity B. Hinduism C. Judaism D. Islam
Environmental & Atmospheric Sciences
What are the sources of the heat, pressure, and fluids that cause rocks to metamorphose? What will be an ideal response?
Environmental & Atmospheric Sciences
In recent decades, unregulated open dumps have ________ in developing countries.
A. Remained the primary disposal method
B. Been replaced by sanitary landfills
C. Mostly become regulated
D. Nearly disappeared
E. Been replaced by incineration and methane generation
Environmental & Atmospheric Sciences
The average number of storm-related deaths attributed to flooding from 1985 to 2014 was ________
A) 66 B) 73 C) 83 D) 94
Environmental & Atmospheric Sciences