This document contains notes from progress tests on various topics: 1. The grade boundaries for the progress test, ranging from A to E. Most students were expected to score between A-C. 2. Key points about average income and variations between countries. Developing countries rely on manufacturing or trade, while quality of life is improving. Oil wealth contributes significantly to variations between some countries. 3. Factors affecting internet connectivity between Europe and Africa. Physical barriers like mountains and deserts impact Africa more, while certain coastal areas and countries have better connectivity. That's a high-level summary of the key information provided in the document in 3 sentences. Let me know if you need any clarification