[Answered] Oxygen, carbon, and ____ are gases exchanged in soil. a. helium b. lithium c. nitrogen d. ...

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Author Question: Oxygen, carbon, and ____ are gases exchanged in soil. a. helium b. lithium c. nitrogen d. ... (Read 62 times)

Wadzanai

Hero Member
Posts: 528

on: Jul 21, 2018

Oxygen, carbon, and ____ are gases exchanged in soil.

a. helium
b. lithium
c. nitrogen
d. calcium

Question 2

The continental crust, the rocky solid surface of the earth, is generally about ____ miles thick.

a. 50
b. 75
c. 100
d. 125

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tmlewis4706

Sr. Member
Posts: 295

Reply #1 on: Jul 21, 2018

Answer to Question 1

C

Answer to Question 2

A

Wadzanai

Member
Posts: 528

Reply 2 on: Jul 21, 2018

Thanks for the timely response, appreciate it

adf223

Member
Posts: 304

Reply 3 on: Yesterday

TYSM

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