What Would Have Happened to the Earth If It Were

question 84

Multiple Choice

What would have happened to the earth if it were 10% farther from the Sun?

• 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:

Lewis Structure

A representation of molecules showing all the valence electrons as dots or lines, highlighting the bonding between atoms and any lone pairs.

Empirical Formula

The simplest integer ratio of the elements present in a compound, not indicating the actual number of atoms.

Molecular Formulas

A representation of the types and numbers of atoms in a molecule using symbols and numerical subscripts.

Elemental Analysis

A method used to determine the elemental composition of a material or compound.