Chemistry is the branch of science that deals with the properties, composition, and structure of matter, as well as the changes it undergoes. It encompasses a wide range of topics including the study of atoms and molecules, chemical reactions, the properties of materials, and the behavior of gases
Biology is the natural science that studies the living organisms, including their physical structure, chemical processes, molecular interactions, physiological mechanisms, development, and evolution. It encompasses the study of all living things, from single-celled organisams
Physics is the branch of science that deals with the study of matter and energy and their interactions. It is a fundamental science that encompasses a wide range of phenomena, from the smallest subatomic particles to the largest structures in the universe.