In what region were semitic religions predominant?
a. europe
b. north and south america
c. eastern asia and indonesia
d. southwest asia and northern africa

I think that the best answer is: D. Southwest Asia and Northern Africa .

This corresponds to today's Egypt, Israel and Saudi Arabia - the places there the Semitic people live and where they have historically lived. So Semitic religions are most likely found where the Semitic peoples live. 

B. to study the spatial patterning of forests and forests fires and plan for better use of fire fighting resources in the u.s.

Answer (d) may increase or decrease porosity through dissolution or deposition;