Acid rain occurs when sulfur dioxide in the atmosphere is oxidized in the presence of nitrogen dioxide. Acid rain is a example of
a. a primary pollutant
b. a secondary pollutant
C.
a tertiary pollutant
d
none of the above

What is considered the highest from of artistic expression in the islamic culture

The map shows england and france in 1430. which statement most accurately summarizes the information provided by the map? england was sure to defeat the french in battle. england occupied land on the european continent. france was about to invade the british isles. france was more powerful than england.

How many organized territories did the united states have in 1850