[Answered] What is the residence time of oxygen in the Earth's atmosphere? A) 10 years B) 100 years C) 500 ...

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Author Question: What is the residence time of oxygen in the Earth's atmosphere? A) 10 years B) 100 years C) 500 ... (Read 53 times)

jho37

Hero Member
Posts: 531

on: Jul 14, 2018

What is the residence time of oxygen in the Earth's atmosphere?

A) 10 years
B) 100 years
C) 500 years
D) 5000 years

Question 2

The heterosphere:

A) lies below the homosphere.
B) contains primarily heavy gases.
C) is populated primarily by variable gases.
D) is named for its chemical homogeneity.

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aliotak

Sr. Member
Posts: 326

Reply #1 on: Jul 14, 2018

Answer to Question 1

Answer: D

Answer to Question 2

Answer: C

jho37

Member
Posts: 531

Reply 2 on: Jul 14, 2018

TYSM

ricroger

Member
Posts: 352

Reply 3 on: Yesterday

Gracias!

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