What Happens When an Interstellar Cloud Fragment Shrinks

question 71

Multiple Choice

What happens when an interstellar cloud fragment shrinks?

• A)It first becomes opaque.
• B)Density rises.
• C)Temperature rises.
• D)Pressure rises.
• E)all of the above

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Definitions:

Confidence Interval Estimate

A range of values, derived from sample data, that is likely to contain the value of an unknown population parameter, with a specified level of confidence.

Population Variance

The average of the squared differences from the Mean, representing the variance of an entire population.

Chi-Square Value

A statistic that measures the discrepancy between observed and expected frequencies in categorical data, used in hypothesis testing.

Confidence Interval

A range of values, derived from sample statistics, that is likely to contain the value of an unknown population parameter with a specified level of confidence.