I think it might be A. By helping them stay healthy enough to work
Biology is the study of living things or organism. It is a science of life. And it is a great affect of human development because and humans possesses both genetic and environmental surroundings. Genes are the first inheritance in all creatures that effects the appearance or purpose of an organism in definite manner.
Answer
Explanation: any ways lets get to the answer there is your answer
It is physical considering how long the body takes to develop control over the body
