Population II Stars Are Originally Composed of ____

question 52

Multiple Choice

Population II stars are originally composed of ____.

• A) mostly heavy elements inherited from population I stars like our Sun
• B) only hydrogen and helium
• C) mostly hydrogen and heavy elements
• D) mostly helium with small amounts of hydrogen and smaller amounts of heavy elements

---

Definitions:

Prosocial Video Games

Video games designed with the purpose of promoting positive social behaviors, such as cooperation, helping, and empathy.

Social Exchange

A theory that suggests human relationships are formed based on a cost-benefit analysis and the principle of reciprocity.

Norm of Reciprocity

A social norm that expects individuals to respond to each other in kind, returning benefits for benefits and responding with either indifference or hostility to harms.

Kin Selection

A biological approach that prioritizes the propagation of an organism's kin over its own survival and reproductive achievements, even if it means personal sacrifice.