Ozone is the pollutant that forms when automobile emissions react with oxygen gas and ultraviolet light.
The answer for first question is:
November, Candidates, City, Council.
The answer for the second question is:
Louis,Bleriot,France,English,Channel.
Answer:
The International System of Units (SI) is system of units of measurements that is widely used all over the world. This modern form of the Metric system is based around the number 10 for convenience. A set unit of prefixes have been established and are known as the SI prefixes or the metric prefixes (or units).
