Five Pieces of Information About Early Earth Are Stated Below

question 55

Multiple Choice

Five pieces of information about early Earth are stated below.Which could be used as justification for a condition used by Miller and Urey in their experiments to test the possibility of organic molecule formation during Earth's earliest history?

• A) Impacts by comets and meteorites on Earth's surface were frequent.
• B) Oxygen was absent in Earth's atmosphere until photosynthetic organisms arose.
• C) Earth was formed about 4.6 billion years ago, and life arose on Earth about 4 billion years ago.
• D) Earth underwent many physical changes during its earliest history.
• E) Geological evidence has helped scientists develop hypotheses about how Earth's atmosphere has changed over time.

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Definitions:

Mechanization

The process of changing from manual labor to machinery for performing tasks, increasing efficiency and productivity.

Specialized Labor

Workforce with specific skills or knowledge, often requiring extensive training and education, tailored to certain industries or occupations.

Mass Production

The manufacture of large quantities of standardized products, often using assembly lines or automated technologies.

Utility

A term in economics referring to the total satisfaction received from consuming a good or service.