What makes Europa the most likely place life will be found in our solar system?
A. It has a hydrogen ocean and moderate levels of oxygen in its atmosphere, which is gradually producing water through frequent lighting strikes.
B. It has an ocean of liquid water, and there is increasing evidence of phytoplankton activity, particularly as shown by ongoing spectral analysis.
C. Actually, Io is the most likely place to find life, due to its high level of volcanic activity.
D. It has an ocean of liquid water, which is warmed by tidal force interaction with Jupiter, and may house underwater volcanic thermal vents.
Answer: D
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Research has indicated that long-term exposure to some chemicals at low doses may disrupt the body's immune, nervous, and endocrine systems.
Answer the following statement true (T) or false (F)
Using the Rating Curve in Figure 43-1, estimate the gage height (to 1 decimal place) when Cache Creek has a discharge of
(a) 40 cms: __________ meters (b) 250 cms: __________ meters
The Florida Everglades Case Study points out the problems associated with competing interests. In this case, the needs of a rapidly growing urban population compete with the needs of a massive, complex ecosystem. As the human population continues to grow, competition will grow. Is it important for an ecosystem such as the everglades to be restored given the cost and potential impact on the needs of the human population? Explain.
What will be an ideal response?
All of the following are factors conditions EXCEPT
A) human resources. B) government regulations. C) capital resources. D) knowledge-based resources. E) infrastructure.