When a Wave Passes Through a Certain Medium, the Particles

question 30

True/False

When a wave passes through a certain medium, the particles of the medium move with the wave. For example, a sound wave propagates through air via air molecules, which move from the source to receiver.

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Definitions:

Crude Birth Rate

The total number of live births per 1,000 population in a given year.

Crude Death Rate

A statistical measure representing the total number of deaths per year per 1,000 individuals in a population.

Immigration

The movement of people from one country to another with the intention of settling permanently or temporarily in the new country.

Population Growth

The increase in the number of individuals in a population, often measured by the birth rate minus the death rate, immigration, and emigration.