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 15 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

Need homework help now?

Ask unlimited questions for free

Ask a Question

« previous next »

Did you know?

Approximately 15–25% of recognized pregnancies end in miscarriage. However, many miscarriages often occur before a woman even knows she is pregnant.

Did you know?

There are 60,000 miles of blood vessels in every adult human.

Did you know?

Patients should never assume they are being given the appropriate drugs. They should make sure they know which drugs are being prescribed, and always double-check that the drugs received match the prescription.

Did you know?

There are 20 feet of blood vessels in each square inch of human skin.

Did you know?

Vaccines cause herd immunity. If the majority of people in a community have been vaccinated against a disease, an unvaccinated person is less likely to get the disease since others are less likely to become sick from it and spread the disease.