What Type of Stain,found on Some Children's Teeth,can Be Caused

question 24

Multiple Choice

What type of stain,found on some children's teeth,can be caused by poor hygiene and the fungi that are retained in bacterial plaque?

• A)Black
• B)Green
• C)Orange
• D)Red

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Definitions:

Trade Permits

Licenses required by governments for the legal import or export of certain goods, services, or commodities.

Total Cost

The overall expenditure involved in generating products or offering services, comprising both unchanging and adjustable expenses.

Subsidizing

The act of providing financial support by the government to lower the cost of producing goods or services, often to encourage production or consumption.

External Benefit

A positive effect or advantage that extends beyond the direct parties involved in a transaction, affecting others who are not directly involved.