Which of the following drawings represents a collection of acetylene (C2H2) molecules? The shaded spheres represent carbon atoms and the unshaded spheres represent hydrogen atoms. 
Definitions:
Fathers' Parenting
The specific behaviors, practices, and roles that fathers play in raising and caring for their children.
Mothers' Parenting
The approach, methods, and practices used by mothers in raising their children, including nurturing, disciplining, and guiding them.
Behavioral Activation
A therapeutic intervention that focuses on engaging individuals in activities that are aligned with their personal values and interests to combat depression.
Behavior Therapy
A type of psychotherapy that focuses on changing undesirable behaviors through conditioning and learning techniques.
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