Helium Burns in the Core of a Horizontal Branch Star

question 53

Multiple Choice

Helium burns in the core of a horizontal branch star via the ________ and produces ________.

• A) triple-alpha reaction; carbon
• B) proton-proton chain; lithium
• C) triple-alpha reaction; oxygen
• D) proton-proton chain; iron
• E) proton-proton chain; calcium

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Definitions:

Developmental Theories

The body of theories that attempt to explain the processes, mechanisms, and patterns of growth and change in human behavior and abilities over the course of life.

Societal Structures

The organized pattern of social relationships and social institutions that together constitute society.

Developmental Tasks

The skills and milestones that individuals are expected to achieve at certain stages in their life, according to psychological theories.

Marital Changes

Alterations in marital status or dynamics, such as marriage, divorce, separation, or widowing, affecting personal and social life.