You are hiking in the desert in Namaqualand in South Africa and you notice an area covered
with white sedimentary deposits. You taste the deposits and they taste salty. This is most likely
an example of
a. an evaporite. d. a pyroclastic rock.
b. a metamorphic rock. e. a volcanic rock.
c. a detrital sedimentary rock.
A
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The atmosphere surrounding Earth can be subdivided into 4 layers: troposphere, stratosphere, mesosphere, and thermosphere.
a. true b. false
A solution of NaCl has a chloride ion concentration of 150. ppm. What is the sodium ion concentration in this solution?
A) 97.0 ppm B) 150. ppm C) 232 ppm D) 300. ppm
Explain how energy in the form of sunlight absorbed at the ground could be transferred upward in the atmosphere in the form of latent heat. How or when is the latent heat energy released in the air above the ground?
What will be an ideal response?
The unusual composition of the atmosphere is due to _______.
Fill in the blank(s) with the appropriate word(s).