There Are Several Mechanisms That Can Trigger Star Formation in a Cold

question 157

Multiple Choice

There are several mechanisms that can trigger star formation in a cold, dark nebula. In each mechanism, the key to star formation is

• A) bathing the cold, dark nebula in ultraviolet radiation and sweeping away some of the colder material.
• B) compressing the gas and dust so that gravitation will overcome the gas pressure.
• C) heating the gas so that gas pressure will overcome gravitation.
• D) subjecting the dark nebula to an intense magnetic field so that supersonic jets will form.

Identify variables that can follow a binomial distribution.

Understand the concept and steps involved in hypothesis testing.

Comprehend the importance of probability in the research process.

Identify and understand different types of errors in hypothesis testing.

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Definitions:

Refraction

Refraction is the bending of light as it passes from one medium to another, which changes its speed and direction.

Transcendence

The act of going beyond ordinary limits; in psychology, it refers to peak experiences that surpass normal perceptions, behaviors, and awareness.

Absolute Threshold

The minimum intensity of a stimulus that is required for a person to be able to detect it 50% of the time.

Noticeable

Easily seen or recognized; attracting attention by being prominent or significant.