[Answered] In which eon of Earth's history did dinosaurs and mammals first appear? A) Hadean B) Archean ...

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eruditmonkey@yahoo.com

Hero Member
Posts: 546

on: Jul 27, 2018

In which eon of Earth's history did dinosaurs and mammals first appear?

A) Hadean
B) Archean
C) Phanerozoic
D) Proterozoic

Question 2

The magnetic field near a strong permanent bar magnet might be 500

A) microGauss.
B) Tesla.
C) Gauss.
D) milliGauss.
E) MT.

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Marked as best answer by a Subject Expert

blfontai

Sr. Member
Posts: 327

Reply #1 on: Jul 27, 2018

Answer to Question 1

C

Answer to Question 2

C

eruditmonkey@yahoo.com

Member
Posts: 546

Reply 2 on: Jul 27, 2018

Gracias!

lindahyatt42

Member
Posts: 322

Reply 3 on: Yesterday

Thanks for the timely response, appreciate it

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