Which of the following was an effect of Muslim traders penetrating the Sahara during the eighth and ninth centuries? A)
the growth of the empires of western Sudan
B)
the emergence of the Kingdom of Kush
C)the collapse of the Kingdom of Axum
D)
the diffusion of Byzantine culture

500 books can be produced by one man and a printing press within 5 months, while a copyist can only produce one in the same amount of time

in contrast, the biological controls are self-sustaining, inexpensive and very effective once established. biological control could be used on thousands of golf course acres, improving their biodiversity and quality as wildlife habitat. in the process, the golf industry will be shown to be leaders in an environmental stewardship program of benefit not only to the lands they manage but also to the watersheds in which they exist.