Which of the following statements is true?
a. desertification occurs only on the eurasian landmass.
b .the climate type of the southwestern united states is similar to that of southwestern africa.
c .the term climate refers to the immediate state of the atmosphere.
d . alfred wegener derived the theory of climatic regions.

B. and D.

Explanation:

The climatic type of southwestern United States is similar to that of the Southwestern Africa. Alfred Wegener derived through his theory of climatic regions. The climate of south western united states is similar to that of southwestern africa. As shown in his works of Thermodynamics of the atmosphere. This was also evident in his continental drift theory as one of his pieces of evidence.

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