A Type II Supernova

question 31

Multiple Choice

A type II supernova

• A)occurs when a white dwarf's mass exceeds the Chandrasekhar limit.
• B)is the result of helium flash.
• C)is characterized by a spectrum that shows hydrogen lines.
• D)occurs when the iron core of a massive star collapses.
• E)is characterized by a spectrum that shows hydrogen lines and occurs when the iron core of a massive star collapses.

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Definitions:

Abrasion

A wound caused by superficial damage to the skin or a mucous membrane, typically involving a scrape or wear away due to friction.

Secretions

Substances produced and released by cells or glands in the body, serving various functions such as digestion, lubrication, or protection against pathogens.

Elastic Connective Tissue

Elastic connective tissue is a type of connective tissue composed of elastic fibers, allowing tissues like arteries and lungs to return to their original shape after stretching.

Pseudostratified Epithelium

A type of epithelium that appears to be stratified but is actually a single layer of cells with nuclei at various levels, giving the illusion of a multi-layered structure.