The Hydrogen and Helium in Our Solar System Were Created

question 107

Multiple Choice

The hydrogen and helium in our solar system were created from subatomic particles about ____________ years ago.

• A)14 billion
• B)10.5 billion
• C)7.0 billion
• D)4.5 billion

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Definitions:

Confusion

a state of being bewildered or unclear in one’s mind about something.

Congenital Hernia

A hernia that is present at birth, resulting from a failure of the abdominal wall to close properly during fetal development.

Meninges

The three membranes that cover and protect the brain and spinal cord.

Chemical Substances

Naturally occurring or artificially created compounds or elements.