[Answered] Which of these substances must be primordial? A) helium B) lithium C) deuterium D) beryllium ...

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ts19998

Hero Member
Posts: 531

on: Jul 27, 2018

Which of these substances must be primordial?

A) helium
B) lithium
C) deuterium
D) beryllium
E) tritium

Question 2

Mars has an axial tilt more like the Earth's than any other planet.

Indicate whether the statement is true or false

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katara

Sr. Member
Posts: 305

Reply #1 on: Jul 27, 2018

Answer to Question 1

C

Answer to Question 2

TRUE

ts19998

Member
Posts: 531

Reply 2 on: Jul 27, 2018

Gracias!

Perkypinki

Member
Posts: 339

Reply 3 on: Yesterday

Thanks for the timely response, appreciate it

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