Unmanned Space Probes Are Searching for Signs of Life on Mars.Which

question 165

Multiple Choice

Unmanned space probes are searching for signs of life on Mars.Which of the following would provide the best evidence for the presence of living organisms on Mars?

• A) Carbon dioxide in the atmosphere
• B) Different nucleic acids and amino acids from those found on Earth
• C) Fatty acid molecules
• D) Complex molecules containing genetic information
• E) Simple organic molecules

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Definitions:

Cooperative Federalism

A concept of federalism where national, state, and local governments interact cooperatively to solve common problems, rather than making policies separately.

Supremacy Clause

A clause in the U.S. Constitution stating that federal law is the "supreme Law of the Land" and takes precedence over state laws.

Federalism

A system of government in which power is divided between a central authority and constituent political units, such as states in the U.S.

Unitary

Refers to a centralized governmental structure where local or provincial divisions have little independent power outside the central authority's directives.