________ Variables Are Variables That Are Manipulated by the Researcher

question 4

Multiple Choice

________ variables are variables that are manipulated by the researcher and whose effects are measured and compared.

• A) Dependent
• B) Interdependent
• C) Extraneous
• D) Independent
• E) Test unit

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Definitions:

Laki Eruption

A major volcanic event in 1783-1784 from the Laki fissure and the Grímsvötn volcano in Iceland, which released large amounts of sulfur dioxide, causing significant environmental and health impacts in Europe.

Aerosols

Very small solid particles or drops of liquid dispersed in the atmosphere.

Fissure Eruptions

A volcanic eruption characterized by the release of lava from long cracks or fissures in the Earth's surface, typically resulting in the formation of extensive lava flows.

Lava Fountains

High-speed bursts of molten rock that are ejected from a volcano or vent.