The magnetic striping of the seafloor is considered evidence of seafloor spreading and ____
A) periodic interruptions in mantle convection
B) subduction occurring in rift valleys
C) changes in Earth's axis of rotation
D) periodic reversals in the polarity of Earth's magnetic field
D
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Describe and discuss the different types of fossil preservation. What will be an ideal response?
The dark, rusty brown coating of oxide minerals that covers the surface of rocks in desert is called:
a. desert dust b. ventifact c. desert faceted rock d. desert varnish
The most intense fires in shrublands occur ________.
A. in the early spring B. when there is an intense low-pressure system in the area C. there is a minimal amount of natural oils in the shrubs D. when the shrubs contain large amounts of natural oils
The youngest rocks found on the moon by Apollo missions are older than all but a few rocks on Earth
Indicate whether the statement is true or false