Paper 2000 Question: 1 (a) Al-Beruni Biruni (973-1050?), Arab scientist, who wrote on a wide variety of scientific subjects. His most important contributions as a scientist were his keen observations of natural phenomena, rather than theories 0.98 Mb. 30
Prediction from Weeks to Decades Decadal Variability (amv); trend among others. Some of the outstanding challenges include how to evaluate and validate prediction systems, how to improve models and prediction systems 1.43 Mb. 6