Sine 1990,the Most Dramatic Reduction in US Aggregate Pollution Levels

question 30

Multiple Choice

Sine 1990,the most dramatic reduction in US aggregate pollution levels is for

• A)ozone.
• B)PM10.
• C)ozone and PM10.
• D)CO and SO2.

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Definitions:

Farmer

An individual who engages in agriculture, raising living organisms for food or raw materials.

Water Molecules

The smallest units of water, consisting of two hydrogen atoms and one oxygen atom (H2O), essential for all known forms of life.

Attract

To draw closer or cause to come closer, often used in contexts of physical objects, people, or the interest one thing generates towards another.

Nutrient-holding Capacity

The ability of soil to retain essential nutrients, such as nitrogen, potassium, and phosphorus, which are necessary for plant growth.