Original rocks are sometimes found underneath a volcano encased in
A) Magma
B) Mesosphere
C) Lava
D) Athenosphere
E) Basalt
The Earth's magnetic field has reversed over ____ times in the last 200 million years.
a) 100
b) 3
c) 1,000,000
d) 1000
e) 300
The concept of continental drift is supported by evidence from
a) the Mid-Atlantic Ridge
b) the orientation of magnetic fields in ancient rocks
c) radiometric dating of ancient rocks
d) the triple junction
e) all of the above