Look at the Different Emission Levels in the Bar Graph

question 55

Multiple Choice

Look at the different emission levels in the bar graph below. What BEST accounts for these differences in emissions?

• A)The Clean Air Act of 1970 along with the updates and amendments of 1977 and 1990
• B)The use of electrostatic precipitators in coal burning power plants
• C)The development of "superclean" cars that do not emit any nitrogen oxides and hydrocarbons.
• D)The use of lead free and cleaner-burning gasoline.

---

Definitions:

Praxiteles

An ancient Greek sculptor, noted for his work in marble, particularly his depictions of the human form with graceful, flowing lines.

Aphrodite of Knidos

An ancient Greek sculpture by Praxiteles, depicting Aphrodite in a moment of modesty, celebrated as one of the first major works to represent the female nude in a life-sized form.

Female Nude

An artistic representation of a woman's body in its nakedness, often associated with historical and contemporary art.

Gigantomachy

In ancient Greek mythology, the battle between gods and giants.