Coal-burning factories and increased automobile usage has caused the greatest increase in "<span>A) air pollution," since in fact coal when burned is one of the worst pollutants. </span>
The correct option is D. During the last six months of the war, the United States of America, release atomic bombs on two different cities of Japan within a short space of interval. This move was not expected at all by the Japanese and it served as the final stroke that breaks the elephant's back. It leads to quick surrender by the Japanese.
Answer:
US government responded to Robert Oppenheimer's opposition to developing the hydrogen bomb by accusing him of disloyalty.
Explanation: