An Important Advance in the Search for Life Elsewhere in the Solar

question 3

Multiple Choice

An important advance in the search for life elsewhere in the solar system was

• A) the discovery of primitive life-forms on Mars.
• B) the replication in laboratories of silicon-based substitutes for the most important carbon-based life molecules.
• C) the discovery of liquid water on Europa, Ganymede, and various other places in the solar system.
• D) the discovery in meteorites of the remains of microbes.