What Would Have Happened to the Earth If the Sun

question 33

Multiple Choice

What would have happened to the earth if the Sun were significantly larger than it is?

• A)Our atmosphere would consist mainly of carbon dioxide.
• B)Our atmosphere would consist mainly of nitrogen.
• C)Liquid water and the water cycle would not exist.
• D)Our Sun would have burned out after a few hundred million years so life would not evolve.

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Definitions:

Valence Electrons

Electrons in the outermost shell of an atom that are available for bonding with other atoms.

Atomic Number

The number of protons in the atomic nucleus of an atom, which uniquely identifies the element to which the atom corresponds.

Chemical Behavior

Describes the reactions and interactions of substances based on their chemical properties and the conditions under which they occur.

Neutrons

Particles within an atom's nucleus that carry no electric charge and have a mass marginally greater than that of protons.