The Property of the Universe That Primarily Determines Whether the Universe

question 39

Multiple Choice

The property of the universe that primarily determines whether the universe will expand forever or eventually stop its expansion and contract is

• A)its average abundance of heavy elements.
• B)how much of its gas has been converted into stars.
• C)its average temperature.
• D)its total mass.
• E)dependent on the amount of helium in the universe.