Answer:
They support unique ecosystems and their communities of organisms in the deep ocean. They help regulate ocean chemistry and circulation. They also provide a laboratory in which scientists can study changes to the ocean and how life on Earth could have begun.
Explanation: hey are old, preserve a lot of old organisms, and help the ecosystem
The answers that apply are;
Psychology is a field that endeavors to learn the mechanisms of the mind and how this influences thought, feelings, and behavior. Therefore a psychologist or therapist, who is able to understand this relation, has the capacity to evaluate his thoughts and actions and can help another person with psychological problems.
this is the best description
respiration is the process in which oxygen is inhaled for the breaking down of glucose(food) in the cells and carbon dioxide is exhaled