Groupings of mass-produced, cookie-cutter homes are called developments.
a.
greyfield
b.
big-box retail
c.
infill
d.
tract housing
answer is d

Most of the volcanic activity that occurs in the ring of fire is a result of the a. formation of mantle plumes away from plate boundaries. b. subduction of one plate under another. c. movement of two plates away from each other. d. sliding of one plate past another.