Subsidence of the Land Surface on the Flank of a Volcano

question 52

Multiple Choice

Subsidence of the land surface on the flank of a volcano indicates that

• A) the volcano is about to erupt.
• B) the magma beneath the volcano has solidified underground.
• C) the volcano has recently erupted.
• D) the volcano has become dormant.
• E) more hot magma has intruded into the magma chamber.

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Definitions:

Geographic

Relating to the physical features, location, or characteristics of the earth or its environment.

Tay-Sachs Disease

A genetic disorder caused by the absence of a specific enzyme, leading to the accumulation of fatty substances in the brain and nervous system, resulting in deterioration and death.

Genetic Testing

The analysis of DNA, RNA, chromosomes, proteins, and certain metabolites in order to detect heritable disease-related genotypes, mutations, phenotypes, or karyotypes for clinical purposes.

Carriers

Individuals or organisms that have one copy of a recessive gene for a genetic trait or disease but do not exhibit the trait or disease themselves.