Current Understanding Holds That a Galaxy's Type (Spiral,elliptical,or Irregular)

question 56

Multiple Choice

Current understanding holds that a galaxy's type (spiral,elliptical,or irregular)

• A)is always determined by the angular momentum of the protogalactic cloud that formed it.
• B)may either be the result of conditions in the protogalactic cloud that formed it or the result of later interactions with other galaxies.
• C)is determined by whether the galaxy is located in a cluster where collisions are likely or outside a cluster where collisions are less likely.
• D)may either be a result of the mass of the protogalactic cloud that formed it or the result of the heavy element abundance in that cloud.

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Definitions:

Mammary Glands

Specialized organs in mammals that produce milk to nourish newborns.

Sweat Glands

Specialized glands in the skin responsible for the production and excretion of sweat, playing a key role in temperature regulation and waste excretion.

Proximal Portion

Describes the part of a limb or structure that is closest to the center of the body.

Nail Root

The part of the nail found under the skin at the nail's proximal end, where nail growth originates.