Which Process Was Important for Melting the Entire Earth About

question 347

Multiple Choice

Which process was important for melting the entire Earth about 4.6 billion years ago?

• A) heat released by the condensation of water vapor into liquid water to form the ocean
• B) radioactivity, or the spontaneous breaking apart of heavier nuclei into lighter ones
• C) nuclear fusion, or the combining of lighter nuclei to form heavier ones
• D) tidal heating of Earth due to the combined gravitational pulls of the Sun and the Moon

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Definitions:

Initialing

The act of marking with one's initials, often used to signify approval, verification, or responsibility for an item or document.

Dating

The process of two people engaging in social activities to assess each other's suitability as a potential partner in a more committed relationship.

Dyspnea

Difficulty or discomfort in breathing, often described as shortness of breath.

Wheezing

A high-pitched whistling sound made while breathing, indicating obstruction or narrowing of the respiratory passages.