[Answered] The stratosphere and the troposphere account for _____________

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Author Question: The stratosphere and the troposphere account for ______________ of the mass of the atmosphere. a. ... (Read 31 times)

robinn137

Hero Member
Posts: 544

on: Jul 28, 2018

The stratosphere and the troposphere account for ______________ of the mass of the atmosphere.
a. 80
b. 90
c. 99.9
d. 78.1

Question 2

How many protons does Radon have?
a. 6
b. 101
c. 31
d. 103
e. 86

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wshriver

Sr. Member
Posts: 318

Reply #1 on: Jul 28, 2018

Answer to Question 1

c

Answer to Question 2

e

robinn137

Member
Posts: 544

Reply 2 on: Jul 28, 2018

Thanks for the timely response, appreciate it

ttt030911

Member
Posts: 315

Reply 3 on: Yesterday

Excellent

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