What Event Occurs at the End of the Protostar Stage

question 302

Multiple Choice

What event occurs at the end of the protostar stage of a star's life?

• A) The star explodes, forming a supernova remnant.
• B) Gas is spun off from the star's equator, from which planets may form.
• C) Nuclear reactions begin in the star's core, converting hydrogen into helium.
• D) The star begins a long period of contraction in which gravitational energy is converted into heat.

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Definitions:

Bulimia

A serious eating disorder characterized by episodes of binge eating followed by purging to prevent weight gain.

Exposure

In health contexts, exposure refers to coming into contact with substances, diseases, or environmental conditions that can lead to health effects.

Response Prevention

A treatment technique, often used for OCD, where the individual refrains from performing their habitual response to a feared stimulus.

Anorexia Nervosa

An eating disorder characterized by an obsessive fear of gaining weight, leading to restrictive eating habits, severe weight loss, and a distorted body image.