Normal Vision Is Expressed As

question 50

Multiple Choice

Normal vision is expressed as:

• A) 20/10.
• B) 20/20.
• C) 20/50.
• D) 20/70.

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Definitions:

Insecticide Dust

A powdered substance containing chemicals used to kill insects, often applied to crops or within homes to control pests.

Sierra Nevada Mountains

A mountain range in the Western United States, known for its striking landscapes, diverse ecosystems, and recreational opportunities.

U.S. Air Pollution

The presence of harmful or excessive quantities of substances including gases, particulates, and biological molecules in the atmosphere of the United States, resulting from both natural processes and human activities, which can harm human health, the environment, and property.

Seriously Affected

Significantly impacted or altered in a negative manner.