Author Question: Curving chains of volcanic islands and seamounts, almost always found parallel to the concave edges ... (Read 68 times)

shofmannx20 · **on:** Aug 22, 2018

Curving chains of volcanic islands and seamounts, almost always found parallel to the concave edges of trenches are
called ____________ ____________ Fill in the blank(s) with the appropriate word(s).

Question 2

____________ ____________ are small, sediment-covered extinct volcanoes or intrusions of once-molten rock less
than 200 meter high associated with seafloor spreading. Fill in the blank(s) with the appropriate word(s).