Which of the Following Statements About Our Modern Ideas of How

question 28

Multiple Choice

Which of the following statements about our modern ideas of how spiral galaxies form and develop is TRUE?

• A) the central bulges of spiral galaxies formed first and their disks formed later
• B) star formation in the spiral galaxies is much higher today than it was 8 billion years ago
• C) spiral galaxies formed pretty quickly after the Big Bang and already looked then the way they look today
• D) spiral galaxies have evolved until today they are all "red and dead", containing just old stars and showing almost no current star formation
• E) spiral galaxies cannot have a central super-massive black hole, so astronomers don't understand just how they formed

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Definitions:

Renal Disease

A medical condition involving the kidneys, characterized by the inability to properly filter blood and remove waste and fluids from the body.

Absorbed Quickly

Rapid uptake of substances by the body, often referring to the efficiency of drug absorption.

Empty Stomach

A state where the stomach is devoid of any food intake for a period, often required before certain medical procedures or tests.

Gastric Contents

The material present in the stomach, including digested food, stomach acid, and digestive enzymes.