Answer:
We breathe in air which has a higher concentration of oxygen than carbon dioxide and we breathe out air with a higher concentration of carbon dioxide. Both the gases are present in the inhaled and the exhaled air.
Answer:
classical conditioning that involves relaxation and a hierarchy of fear.
Explanation:
Systematic desensitization: In abnormal psychology, the term "systematic desensitization" is determined as a type of behavioral technique which is being used for the treatment of anxiety disorders, phobias, and fear by many of the therapist and psychologists.
In systematic desensitization, a person is generally being evolved in several "relaxation exercises and eventually, he or she is being exposed to an "anxiety-provoking stimulus" such as place, object, or situation.
Answer:
everything went up prices went mad high and you cant get anything like we used to
Explanation:
The answer is A, the first one