According to Present Understanding, a Nova Is Caused by

question 109

Multiple Choice

According to present understanding, a nova is caused by .

• A)a white dwarf that gains enough mass to exceed the 1.4- solar- mass limit
• B)hydrogen fusion on the surface of a neutron star
• C)hydrogen fusion on the surface of a white dwarf
• D)carbon fusion in the core of a white dwarf

---

Definitions:

Operant Conditioning

A training approach in which a behavior's force is adjusted by either reinforcing or punishing.

Lack of Generosity

A behavior or attitude characterized by unwillingness or hesitation to share with others or contribute to their well-being.

Punishment

A consequence that reduces the likelihood of a behavior being repeated, often used in behavior modification strategies.

Reinforcement

In behavioral psychology, a consequence applied that strengthens an organism's future behavior whenever that behavior is preceded by a specific antecedent stimulus.