Evidence Points to the Formation of Earth 4

question 16

Short Answer

Evidence points to the formation of Earth 4.6 billion years ago and the first signs of life arising on Earth 4.0 billion years ago.That means that there was a 600-million-year period during which certain conditions could have developed to the point that life could arise.A limitation of simulation experiments, such as those conducted by Miller and Urey, is that they cannot simulate the extremely long time period during which Earth existed in a _______ state.

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Definitions:

Table Datasheet View

A presentation format in database applications that displays data in rows and columns, similar to a spreadsheet.

Table Design View

Table Design View is a feature in database applications that allows users to define, modify, and manage table schemas including fields, data types, and primary keys.

Navigation Pane

A user interface element that allows users to easily browse, search, and manage the contents of a software application or file system.

Table Datasheet View

A spreadsheet-like view that displays the rows and columns of a database table, allowing for data entry and management.