What are the bond angles in the following molecular model of PH3? 
Definitions:
Systematic Desensitization
A behavioral therapy technique that gradually exposes the individual to the object of their fear in a controlled manner, alongside relaxation exercises, to reduce phobic responses.
Flooding
An exposure therapy technique used in psychology to treat phobias and anxiety by exposing the patient to their fear at full intensity.
Social Skills Training
A behavioral therapy that teaches individuals the skills needed for effective social interactions and communication.
Social Skills Training
A behavioral therapy used to improve interpersonal skills through practice and instruction in areas such as communication, assertiveness, and empathy.
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