According to the Traditional Hypothesis, How Did the Galaxy Form

question 35

Multiple Choice

According to the traditional hypothesis, how did the galaxy form?

• A) from a large cloud of material that broke off a larger galaxy
• B) from the collapse of a large spherical cloud of gas that was rotating very slowly
• C) from material that had been ejected in the violent explosion of a dying galaxy
• D) as a result of mergers between several smaller groups of gas, dust, and stars

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Definitions:

Mechanical Barrier

A physical structure that prevents the entry or spread of pathogenic organisms, particles, or substances.

Mucous Membrane

Body membrane that lines the tubes of several organ systems in humans; secretes mucus that helps protect the body from infection.

SCID

Severe Combined Immunodeficiency, a rare genetic disorder characterized by the disturbed development of functional T cells and B cells caused by numerous genetic mutations, leading to a highly vulnerable immune system.

SCID

Severe Combined Immunodeficiency, an immune disorder characterized by a severe lack of T lymphocytes and B lymphocytes, leading to a highly compromised immune system.