Large earthquakes most commonly occur as a result of

During radioactive decay, in order for a parent atom of a particular element to be converted into a daughter atom of a different element, the parent atom must undergo a change in the number of

Normal faults are created by

The New Madrid seismic zone is associated with faults formed as a result of the break-up of the supercontinent

Which of the locations shown in the map below would have the lowest risk of a large earthquake?

A prokaryote contains all of the following characteristics except:

Cocci are ______ prokaryotes.

Which of the following lack vascular tissue?     

______ are seedless vascular plants.     

Gametophytes are ______; sporophytes are ______.