Multiple Choice
Limestone reefs and salt deposits are important rocks in the reconstruction of Earth's history because they ________.
A) can be used to infer the ancient climate of Earth;they are deposited in environments that are restricted to warm climates
B) automatically provide age information;all such deposits occurred between 200 and 400 million years ago
C) are deposited in warm climates today,but there is good reason to think that they were deposited in cold climates millions of years ago
D) pinpoint the locations of old subduction zones
Correct Answer:

Verified
Correct Answer:
Verified
Q2: The apparent tendency of the north (or
Q25: Evidence that glaciers once covered an area
Q32: If a geologist discovered coal in a
Q34: The discovery of seafloor spreading finally provided
Q36: According to the figure below,marine magnetic anomalies
Q40: The distribution of _ across the globe
Q42: Marine magnetic anomalies can be used to
Q45: The primary difference between lithospheric and asthenospheric
Q56: Continental coastlines that occur within the interior
Q56: In Wegener's evidence for continental drift,continents were