geography
Geography is divided into three parts: humanity, nature and region. It mainly studies people's customs, natural phenomena and geographical division, such as country to country, climate and climate.
biology
Biology is a science that studies the development and inheritance of organisms, mainly studying the knowledge of biological development and inheritance.
history
History is divided into three parts: politics, economy and culture. It mainly studies the political development, economic development and cultural development from Shang Dynasty to 2 1 century.
moral character
The fourth product is politics, which mainly studies politics, history and philosophy. It is a modern history, but it is more profound and contains philosophy.