Why Do Some Scientists Think That Jupiter's Existence May Have

question 37

Multiple Choice

Why do some scientists think that Jupiter's existence may have been critical for life to evolve on Earth?

• A)It prevented Earth from migrating outward and thus ensured a stable climate.
• B)It prevented Earth from migrating inward and thus ensured a stable climate.
• C)It kicked out many comets from the inner solar system through gravitational encounters,thus limiting the number of objects that could potentially hit the inner planets.
• D)Meteorites from Jupiter may contain bacteria that started life on Earth.
• E)It stabilized Earth's axis tilt and thus ensured a stable climate.

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Definitions:

Condensation

Chemical reaction in which a large molecule is assembled from smaller sub-units; water also forms.

Polymers

Large molecules composed of many repeated subunits, which can be found in various natural and synthetic materials like plastics, proteins, and DNA.

Monomers

Simple molecules that can join together to form polymers, which are large, complex structures.

Unsaturated

A term describing molecules, particularly fats or fatty acids, which contain one or more double bonds between carbon atoms, making them less hydrogenated.