On the overlay, there is a concentration of higher magnitude earthquakes (blue dots) near New Madrid, MO (location of the early
19th century large earthquakes). Which statement is the best hypothesis to explain this observation?
A. there may be a bend in the underlying fault systems
B. there may be an intersection of several faults at this location
C. older earthquakes may have slipped elsewhere, placing more stress at this location
D. all of these hypotheses are viable and worth testing
Coal is called a fossil fuel because it was made from plants that were once alive! Since coal comes from plants, and plants get their energy from the sun, the energy in coal also came from the sun.
