WONDER #2940: Is Acid Rain Dangerous?

Question 1 of 3

This Wonder is mostly about . . .

1. How man-made pollution has caused environmental issues.
2. How mostly natural problems have caused acid rain.
3. How acid rain is only a problem in the cities where it starts.
4. How humans aren’t really affected by acid rain.

Question 2 of 3

Why did Robert Angus Smith study acidity in rain?

1. He thought the acidity might be helpful to humans.
2. He thought acidity in rain could prove that industries weren’t harmful.
3. He thought there was a connection between pollution and acid rain.
4. None of the above.

Question 3 of 3

How do we know that policies have improved the acid rain problem?

1. We don’t.
2. There is no longer evidence of acid rain in the environment.
3. Coal-burning industries can release all their emissions without worry.
4. Scientists have noted that the acidity of rain in some places is 50% less than it was in the 1980s.

Check your answers online at https://wonderopolis.org/wonder/Is-Acid-Rain-Dangerous.