The answer for your question is c
The desert has a major impact on the world
A - it taught him how to lay railroad tracks with steel
The Ottoman Empire was founded by Osman 1 (the first).
Answer: Some of the important contributions made by ancient civilizations are summarized as follows:
Assyrians & Mesopotamians - Farming, agriculture and metallurgy
Aztecs - Geometry and astronomy
Egyptians - Ancient architecture, art of writing, medicines and surgery
Greeks - Progressive philosophy, weapons and naval warfare
Indians- Mathematics, astronomy and medicine
Indus valley civilization - City sewage and drainage plans
Romans - Political and social structures
Explanation:
