NASA Has Published a List of Criteria for Identifying Fossil

question 18

Multiple Choice

NASA has published a list of criteria for identifying fossil bacteria in samples from Mars, as part of a search for evidence of life. Which of the following is good evidence for the presence of bacterial cells?

• A) Three-dimensional organization of cells in a starburst pattern
• B) Absence of carbon in the material
• C) Cell size of 0.5 to 2 microns
• D) No evidence of water in the surrounding mineral

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Definitions:

Long-Term Marriages

Marriages that have endured for a significant duration, often characterized by deep companionship, mutual respect, and shared history.

Shared Experiences

Activities, events, or situations that two or more individuals experience together, fostering a sense of connection and understanding.

Living Apart Together

A relationship in which two partners are committed to each other but choose to live separately for various personal or professional reasons.

Politically Active

Involvement and participation in political processes, often including voting, advocacy, or participating in protests or political events.