Which of These Metals Are Often Used to Help Prevent

question 29

Multiple Choice

Which of these metals are often used to help prevent the rusting of iron?
I. Al
II. Zn
III. Mg
IV. Na

• A)I only
• B)II only
• C)I and III
• D)I, II, and IV
• E)I, II, and III

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Definitions:

Prevalence

The proportion of a specific population that is affected by a particular disease or medical condition at a given time.

STIs

Sexually Transmitted Infections, diseases passed from one person to another through sexual contact.

Contracting

Contracting refers to the process of formally agreeing to terms and conditions set within a contract, often related to services or employment.

Sexually Transmitted Diseases

Infections spread primarily through person-to-person sexual contact.