The petroglyph in the image below is carved into _______,revealing the lighter-colored bedrock underneath. 
A) basalt
B) desert varnish
C) caliche
D) salt
Correct Answer:
Verified
Q2: The figure below illustrates the formation of
Q3: Why is water a very effective agent
Q5: Deserts represent _ of the Earth's land
Q6: Isolated mountains that stick up above large
Q8: Many desert streams are ephemeral,meaning
A) they are
Q9: The Great Basin deserts found in the
Q10: What is the main feature of atmospheric
Q11: To qualify as a desert,a region must
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Q16: The Atacama Desert in Chile is a
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