Muslim astronomers were the first to establish observatories, like the one built at Mugharah by Hulagu, the son of Genghis Khan, in Persia, and they invented instruments…
Slide 1 Kevin T. Blake, Ph.D., P.L.C. All Rights Reserved Cross Country Education1 SOCIAL DIFFICULTIES OF LEARNING, ATTENTIONAL AND AUTISTIC DISORDERS: SCREENING AND TREATMENT,…