Answer:
In the DSM-IV, patients only needed one symptom present to be diagnosed with substance abuse, while the DSM-5 requires two or more symptoms in order to be diagnosed with substance use disorder. The DSM-5 eliminated the physiological subtype and the diagnosis of polysubstance dependence.
Explanation:
hope this help you
Its either b or d, most likely d
Light waves are different from mechanical waves, however, because they can travel through a vacuum. Light waves are just one type of electromagnetic wave. ... A polarized wave vibrates in a single plane in space. Since sound waves vibrate along their direction of propagation, they cannot be polarized.
Answer:
21.582 Newtons
Explanation:
The weight of an object on Earth is equal to W=9.81M where M is the mass of the object and the acceleration due to gravity is 9.81 m/s^2. Therefore, the weight of the book on the earth is W=9.81(2.2)=21.582N, or 21.582 Newtons
