Desert varnish consists of ________.
A) pesticide and other pollutant residues
B) dusts of iron and magnesium oxides
C) dust deposits affected by microorganisms
D) carbonate cements with iron impurities (e.g.,siderite)
Correct Answer:
Verified
Q9: Very hot air just above the ground
Q19: The figure below illustrates the formation of
Q19: To qualify as a desert,a region must
Q22: Badlands are characterized by _.
A) thick caliche
Q24: In the figure below,the sand grains are
Q26: The saltation of sand involves _.
A) spherical
Q26: The process of lowering the surface of
Q28: Calcrete (caliche)forms in a desert climate through
Q32: Most of the erosion in desert environments
Q33: A salt-encrusted muddy tidal flat is known
Unlock this Answer For Free Now!
View this answer and more for free by performing one of the following actions
Scan the QR code to install the App and get 2 free unlocks
Unlock quizzes for free by uploading documents