In the Subsurface Ocean Beneath Europa's Icy Crust, If Life

question 55

Multiple Choice

In the subsurface ocean beneath Europa's icy crust, if life exists, it most likely originated

• A) close to volcanic vents on its ocean floor
• B) on the surface and then migrated down into the ocean
• C) just below the surface of its thin icy crust where sunlight is still able to penetrate
• D) via panspermia from impacts

---

Definitions:

Work-Related Satisfaction

The pleasurable emotional state resulting from the appraisal of one’s job experiences.

Credit Card Balance

The amount of money that is owed on a credit card, which can fluctuate based on purchases, payments, and interest charges.

Strong Positive Correlation

A relationship between two variables where as one variable increases, the other variable also increases, indicating a strong link or connection.