[Answered] Approximately what percentage of the earth's crust is composed of oxygen? A) 5 B) 40 C) 50 ...

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Author Question: Approximately what percentage of the earth's crust is composed of oxygen? A) 5 B) 40 C) 50 ... (Read 84 times)

ghost!

Hero Member
Posts: 560

on: Aug 27, 2018

Approximately what percentage of the earth's crust is composed of oxygen?

A) 5
B) 40
C) 50
D) 75

Question 2

Which of the following metals does the United States import from other countries?

A) indium
B) lithium
C) palladium
D) All of the above are imported from other countries.

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elyse44

Sr. Member
Posts: 319

Reply #1 on: Aug 27, 2018

Answer to Question 1

C

Answer to Question 2

D

ghost!

Hero Member
Posts: 560

Reply #2 on: Aug 27, 2018

Thanks

elyse44

Sr. Member
Posts: 319

Reply #3 on: Aug 27, 2018

Welcome

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Author Question: Approximately what percentage of the earth's crust is composed of oxygen? A) 5 B) 40 C) 50 ... (Read 84 times)

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