San Andreas fault, Cascades.

a. normal, mainly strato volcanoes
b. pacific plate diverges from north american plate, pacific and north american plates converge
c. pacific plate goes under south american plate, flood basalts
d. pacific plate goes northwest and north american plate goes southeast, pacific plate subducts under north american plate
e. pacific plate goes southeast and north american plate goes northwest, pacific plate subducts under north American plate

b) to encourage free trade

the factors that the economies of the muslim empires prosper were:

1- land trade routes-located between three continents  

2- sea trade routes

trade contributed to the spread of muslim empires, and with that islamic culture led to a growing feeling of internationalism resulted in the transfer of technology, science, and other cultural forms.

the language of nature was a manifestation from god as he said "let there be light" and there was light the world began to assume visible, comprehensible form.

what ever we know now think of the old vision of creation we can be sure that with out the speaking of word -without language- we would have no science today with its striking power to illuminate the world.

b because thats the naswer i got