[Answered] Dates on zircons from Western Australia suggest that the oldest crustal rocks are more than 4 ...

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Awilson837

Hero Member
Posts: 509

on: Jul 15, 2018

Dates on zircons from Western Australia suggest that the oldest crustal rocks are more than 4 billion
years old. Indicate whether the statement is true or false.

Question 2

In five half-lives, one-sixteenth of a radioactive substance will remain. Indicate whether the statement is true or false.

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Tabitha_2016

Sr. Member
Posts: 344

Reply #1 on: Jul 15, 2018

Answer to Question 1

T

Answer to Question 2

F

Awilson837

Member
Posts: 509

Reply 2 on: Jul 15, 2018

Gracias!

tkempin

Member
Posts: 332

Reply 3 on: Yesterday

Great answer, keep it coming

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