How Do We Know That Quasars Are No Larger Than

question 10

Multiple Choice

How do we know that quasars are no larger than the solar system?

• A)They vary in brightness on a timescale of days or weeks
• B)They appear pointlike when viewed through a telescope
• C)They contain black holes,which must be small
• D)They are too luminous to be very large

Recognize the importance of fungi in human industry and medicine.

Classify fungi into their respective subgroups based on characteristics and functions.

Describe the various methods fungi use for reproduction and dispersal.

Explain the nutritional strategies of fungi, including parasitism and mutualism.

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Definitions:

Normal Distribution

A probability distribution that is symmetrically centered around the mean, showing that data near the mean are more frequent in occurrence than data far from the mean.

Vertical Blinds

Window coverings consisting of vertical slats that can be adjusted to control light and visibility.

Null Hypothesis

A statistical hypothesis that assumes no significant difference or effect in a particular situation, serving as the default assumption to be tested against an alternative hypothesis.

Alternative Hypothesis

A statistical hypothesis that specifies a population parameter's value is different from the value stated in the null hypothesis.