If You Observed That at the Centers of Some Galaxies

question 2

Multiple Choice

If you observed that at the centers of some galaxies there were objects emitting lots of X-rays or there was gas in rapid motion, you might conclude that these galaxies:

• A) are very old
• B) contain many white dwarfs
• C) have different physics than on the Earth
• D) are rotating quickly
• E) contain black holes

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Definitions:

Reinforce Appropriate Behaviors

The process of encouraging and promoting desirable actions through positive feedback or rewards.

Disruptive Behaviors

Actions that interrupt or negatively impact the normal flow of activities in a social or educational setting.

Teachers

Educators responsible for facilitating learning, providing academic instruction, and fostering social and personal development.

Cognitive Theorist

A psychologist or researcher who studies the mental processes involved in knowing, including aspects like perception, thinking, memory, and judgment.