The First Step of the Proton-Proton Cycle Is:
A)"¹H $\rightarrow$ ²H"
B)"¹H + ¹H

question 21

Multiple Choice

The first step of the proton-proton cycle is:

• A)"¹H + ¹H \(\rightarrow\) ²H"
• B)"¹H + ¹H \(\rightarrow\) ²H + e⁺ + v "
• C)"¹H + ¹H \(\rightarrow\) ²H + e^- + v "
• D)"¹H + ¹H \(\rightarrow\) ²H + 1v "
• E)"¹H + ¹H v ³H + e^- + v "

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Definitions:

Secure Base

One of the three purposes of the attachment system. The bond between infant and caregiver provides the infant a protective resource as she develops and learns.

Late Adolescence

A phase of adolescence, typically from ages 15 to 18, characterized by further development of identity, cognitive abilities, and nearing physical maturity.

Longitudinal Studies

Research methods that involve repeated observations of the same subjects over a period of time, often used to study development, behavioral, and social changes.

Midlife

A period in an adult's life, often between the ages of 40 and 65, characterized by personal, social, and career transitions.