Using the Data in This Table, Calculate the Number of Half-Lives

question 87

Multiple Choice

Using the data in this table, calculate the number of half-lives that have passed for the granite (unit G on this table) ?

• A)1
• B)2
• C)3
• D)4

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Definitions:

Upright

Upright refers to an orientation or position in which something is situated vertically and straight relative to the ground or normal direction of gravity; often used to describe the posture of humans and objects.

Australopithecus Species

A group of extinct hominids closely related to humans, known for walking upright and living millions of years ago.

Sequence

An ordered list of elements or events that follow a specific pattern or arrangement.

Homo Erectus

An extinct species of hominid that lived from the end of the Pliocene epoch to the early Pleistocene, known for being one of the first to use fire and simple tools.