A __________ Study Tests Different Individuals at the Same General

question 3

Multiple Choice

A __________ study tests different individuals at the same general time.

• A) cross sectional
• B) longitudinal
• C) cross sequential
• D) cohort

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Definitions:

Calcium Carbonate

A white, insoluble solid (CaCO3) occurring naturally as chalk, limestone, marble, and forming the shells of sea creatures.

Combustion

A chemical reaction that occurs between a fuel and an oxidant, producing heat and often light; commonly known as burning.

Rusting

The chemical process involving the oxidation of iron or steel, resulting in the formation of iron oxides, particularly Fe2O3 and Fe3O4.

Redox Reactions

Chemical reactions where electrons are transferred between two substances, involving oxidation and reduction processes.