Chemistry is branch of science concerned with substance of matter is composed, the investigation of their properties and reactions and the use of reaction to form a new substance....... Biology is the branch of science that deals with study of living organisms... Physics is the branch of science that studies matter Nd it's motion Nd behavior through space Nd time Nd that studies related entities of energy and force....

Chemistry:

Chemistry is the scientific study of the composition, structure, properties, and interactions of matter. It involves understanding the behavior of atoms, molecules, and ions, as well as the transformations they undergo during chemical reactions. Chemistry is often divided into various branches such as organic chemistry, inorganic chemistry, physical chemistry, and analytical chemistry.

Some key concepts in chemistry include:

- Atoms: The basic building blocks of matter.
- Elements: Substances made up of a single type of atom.
- Molecules: Groups of atoms bonded together.
- Chemical reactions: Processes in which substances transform into new substances.

Chemistry plays a crucial role in various industries such as pharmaceuticals, materials science, and environmental science.

Biology:

Biology is the scientific study of living organisms and their interactions with each other and their environment. It encompasses various sub-disciplines such as genetics, ecology, microbiology, and physiology. Biology seeks to understand the structure, function, growth, evolution, and distribution of living organisms.

Key topics in biology include:

- Cells: The basic unit of life.
- Genetics: The study of heredity and variation in living organisms.
- Evolution: The process by which living organisms change over time.
- Ecology: The study of interactions between organisms and their environment.

Biology is essential for advancements in fields such as medicine, agriculture, and conservation.

Physics:

Physics is the study of matter, energy, and the fundamental forces that govern the universe. It seeks to understand the behavior of objects at both the macroscopic and microscopic levels. Physics is divided into various branches such as classical mechanics, quantum mechanics, thermodynamics, and astrophysics.

Key concepts in physics include:

- Kinematics: The study of motion.
- Energy: The ability to do work.
- Forces: Interactions that cause objects to accelerate.
- Electromagnetism: The relationship between electricity and magnetism.

Physics has led to groundbreaking discoveries in areas such as technology, engineering, and space exploration.