Natural sources produce greater quantities of air pollutants than do sources attributable to humans. ...

Author Question: Natural sources produce greater quantities of air pollutants than do sources attributable to humans. ... (Read 149 times)

storky111

Hero Member
Posts: 561

on: Jul 14, 2018

Natural sources produce greater quantities of air pollutants than do sources attributable to humans.

Indicate whether the statement is true or false

Question 2

Problems with air pollution occurred as far back in time as the Roman period (2000 years ago).

Indicate whether the statement is true or false

johnpizzaz

Sr. Member
Posts: 345

Reply #1 on: Jul 14, 2018

Answer to Question 1

TRUE

Answer to Question 2

TRUE

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