During the First Millionth of a Second in the History

question 194

Multiple Choice

During the first millionth of a second in the history of the universe, a hydrogen nucleus could NOT exist. Why not?

• A) During this time quarks existed in isolation and so protons did not exist.
• B) The electromagnetic force did not exist during this era.
• C) Cosmic inflation had pushed protons and electrons too far apart to interact with each other.
• D) Protons and antiprotons were continually annihilating each other, and there were no protons to form hydrogen atoms.

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Interest Allowances

The amount of interest income received or credited to an account, sometimes used in calculating adjusted income or benefits.