A Caldera Is a

question 80

Multiple Choice

A caldera is a

• A) crater formed by collapse at the summit of a volcano.
• B) valley formed by the separation of two crustal plates.
• C) long, sinuous valley carved by the flow of molten rock.
• D) depression formed by the impact of an asteroid on a planetary surface.

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Definitions:

Alkene

Unsaturated hydrocarbons with at least one double bond between carbon atoms, exhibiting properties like addition reactions.

(Z)-2-Chloro-4-Ethylhex-2-Ene

A geometric isomer of an organic compound characterized by a specific arrangement of atoms, including a chloride and ethyl group.

(Z)-1-Chloro-1-Fluoro-1-Butene

A geometric isomer of a chlorofluorinated butene, characterized by having the chlorine and fluorine on the same side of the double bond.

Carbon-Carbon Double Bond

A chemical bond between two carbon atoms involving four bonding electrons instead of the usual two, giving the molecule added stability and reactivity.