It based upon peptide bonds
Answer:
negative reinforcement
Explanation:
i took a test over it in psychology
Peers have a huge impact on others attitude and behavior. Bullying or teasing are examples of unhealthy behaviors that peers inflict. This can cause depression and creates a negative environment. A healthy environment is filled with encouragement and love. People work together to solve problems and keep emotions in control. This kind of environment will boost productivity and happiness, especially in a work area. :D
It is use by Eye Care Professionals To check the eyesight of a person.
If u would have visited a eye care centre u would have noticed a chart like this--
If a person can see all the letters from a distance his eyesight is Perfect.If that person misses a letter or a line from the grid eye treatment or spectacles are given to the person for improving their eyesight
The lungs is your answer :)