Analysis of Comet Dust Collected and Returned to Earth by the Stardust

question 5

Multiple Choice

Analysis of comet dust collected and returned to Earth by the Stardust mission has shown that

• A) simple life exists in comets
• B) organic molecules can form in space and survive the passage through the Earth's atmosphere
• C) organic molecules are completely absent in comet dust so impacts could not have made a significant contribution the organic material present on the early Earth
• D) impacts must have been the only source of organic material present on the early Earth

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Definitions:

Managed Care

Health care system in which all necessary services for an individual patient are supposed to be coordinated by a primary care provider; the goals are to coordinate services for an existing medical problem and to prevent future medical problems.

Affordable Care Act

A comprehensive health care reform law enacted in March 2010, aiming to make health insurance more affordable and accessible for Americans.

Mental Health Care

Professional services and support for individuals dealing with mental health issues, including therapy, medication, and other interventions.

Halfway Houses

Living facilities that offer people with long-term mental health problems the opportunity to live in a structured, supportive environment while they are trying to reestablish employment and ties to family and friends.