I'm not sure, but I think is C
1. in order to promote the comfort of passengers railroads had to provide equal the separate accommodations for the white and colored races on lines running in the state
2. the civil rights group chose plessy because he could pass for a white man
Answer:
b) the tendency to return to a balanced or stable internal state
Explanation:
Homeostatis is the state of an organism's internal biology which is steady and is maintained by the organism. It is the base state of an organism.
The organism maintains homoestasis by three components a receptor, a control centre, and an effector. The receptor senses any change in the enviroment, the control center acts according to the environment and the effector causes a change in the organism to reach homeostasis.