Desert pavement is ____.
a. a special type of asphalt that won't soften in the desert sun
b. a thin layer of stones that overlies fine-grained sediments below
c. the salt crust on some playa surfaces
d. the salt crust that forms on some sand dunes
Question 2
Which of the following statements about soil profiles is true?
a. The B horizon is known as the zone of eluviation.
b. The R horizon is a zone of intense leaching.
c. The C horizon contains partially weathered parent material.
d. The A horizon is the regolith or rock layer.
Changing leaf area: (a) following rainfall ocotillo plants of the Sonoran Desert develop leaves and
Species-rich Sonoran Desert landscape.
California high desert cottontail eating a carrot
Hong Kong is a strange situation. A British colony since 1842, it was handed back to China in 1997 a
A severe case of delayed contact dermatitis (Type IV hypersensitivity) from wearing latex gloves.
A GWAS study for Type 2 diabetes revealed 386,371 genetic markers, clustered here by chromosome numb