What Evidence Supports the Idea That a Collision Between Two

question 21

Multiple Choice

What evidence supports the idea that a collision between two spiral galaxies might lead to the formation of a single elliptical galaxy?

• A)the fact that elliptical galaxies dominate the galaxy populations at the cores of dense clusters of galaxies
• B)observations of giant elliptical galaxies at the center of dense clusters that may have grown by consuming other galaxies
• C)observations of some elliptical galaxies with stars and gas clouds in their cores that orbit differently from the other stars in the galaxy
• D)observations of some elliptical galaxies surrounded by shells of stars that probably formed from stars stripped out of smaller galaxies
• E)all of the above

Understand the role of the skin in vitamin D synthesis.

Identify the protective mechanisms of the skin against environmental and biological hazards.

Understand the structure and functions of the skin and its accessory structures.

Describe the processes involved in skin pigmentation.

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Definitions:

Trustee

An individual or firm that holds or administers property or assets for the benefit of a third party.

Beneficiary

An individual or entity entitled to benefits or advantages from something, such as a trust, insurance policy, or a will.

Decedent's Estate

The real and personal property owned by an individual at the time of their death, subject to distribution according to their will or state laws.

Spendthrift Trust

A trust created to protect the beneficiary from spending all the funds to which she or he is entitled. Only a certain portion of the total amount is given to the beneficiary at any one time, and most states prohibit creditors from attaching assets of the trust.