Sine 1990, the most dramatic reduction in US aggregate pollution levels is for A) ozone. B) ...

Author Question: Sine 1990, the most dramatic reduction in US aggregate pollution levels is for A) ozone. B) ... (Read 50 times)

luvbio

Hero Member
Posts: 623

on: Jul 14, 2018

Sine 1990, the most dramatic reduction in US aggregate pollution levels is for

A) ozone.
B) PM10.
C) ozone and PM10.
D) CO and SO2.

Question 2

The concentration of air pollution is ________ wind speed.

A) proportional to
B) inversely proportional to
C) unaffected by
D) always half of the

k.lashomb

Sr. Member
Posts: 346

Reply #1 on: Jul 14, 2018

Answer to Question 1

Answer: D

Answer to Question 2

Answer: B

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