What Do Current Observations Indicate About the Amount of Baryonic

question 7

Multiple Choice

What do current observations indicate about the amount of baryonic matter and dark matter in the universe?

• A)The total amount detected is sufficient to overcome the expansion of the universe.
• B)The total amount detected implies that the universe is closed.
• C)The amounts of the two kinds of matter are roughly equal.
• D)The total amount detected implies that the universe is open.

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Definitions:

Null Hypothesis

A statement used in hypothesis testing that assumes there is no significant difference or effect.

Research Hypothesis

A specific, testable prediction made before conducting research, often proposing a relationship between variables.

Null Hypothesis

The default assumption that there is no significant difference or relationship between variables being studied.

Directional Hypothesis

A directional hypothesis predicts the specific direction of the relationship between variables, such as one variable increasing as the other decreases.