Collisions Between Galaxies Are Thought To

question 53

Multiple Choice

Collisions between galaxies are thought to:

• A)have stopped about 5 billion years ago.
• B)be commonplace.
• C)have never occurred.
• D)be extremely rare.
• E)have only occurred between 10 and 15 billion years ago.

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Definitions:

Females

The sex of an organism, or part of a population, which produces non-mobile ova (egg cells) and can typically bear offspring.

Living in Groups

The behavior of organisms that involves residing and acting together in organized groups or communities for mutual benefit, such as increased protection and resource acquisition.

Susceptibility

The likelihood or predisposition to be affected by a particular condition, disease, or external factor.