Which Form of Iron Contains the Least Amount of Carbon

question 1

Multiple Choice

Which form of iron contains the least amount of carbon?

• A) steel
• B) pig iron
• C) cast iron
• D) These forms of iron contain no carbon.

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Definitions:

Aqueous Humor

The clear fluid filling the space in the front of the eyeball between the lens and the cornea.

Glaucoma

Condition in which the fluid in the eye (aqueous humor) accumulates, increasing pressure in the eye and damaging nerve fibers.

Otoliths

Small crystals in the inner ear that contribute to the sense of balance by detecting movement and gravity.

Cochlear Nerve

A nerve that transmits sound information from the cochlea in the inner ear to the brain.