What were three major contributions of Muslim civilization?

Muslim civilization made significant contributions in various fields, including mathematics, where the introduction of algebra and the concept of zero laid foundational principles for modern mathematics. In medicine, scholars such as Avicenna compiled extensive medical texts that advanced understanding of diseases and treatments, influencing both Eastern and Western medicine. Additionally, the Islamic Golden Age saw remarkable advancements in astronomy, with the development of sophisticated instruments and accurate star maps that improved navigation and our understanding of the cosmos.