Which Is True of ASD Prevalence

question 46

Multiple Choice

Which is true of ASD prevalence?

• A) It is reported to be much higher in the United States than in the Middle East.
• B) It is reported to be much higher in Western Europe than in the United States.
• C) It is reported to be about 0.5% in the United States.
• D) It is reported to be about 1.5% to 2% in the United States.

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Definitions:

Limestone

A sedimentary rock composed mainly of calcium carbonate (CaCO3), often formed from the remains of marine organisms and used extensively in building and industry.

Calcium Carbonate

A chemical compound with the formula CaCO3, found in rocks as the minerals calcite and aragonite and is the main component of pearls, marine organisms' shells, and snail shells.

Precipitation

The process by which water vapor in the atmosphere condenses into droplets or ice crystals that fall to the Earth's surface, contributing to the hydrological cycle.

Evaporation

The process by which water is transformed from a liquid to a gas or vapor state, often contributing to the hydrologic cycle by removing moisture from bodies of water, soil, and other surfaces.