Examlex
Which of the following does NOT contribute to air pollution?
Metal Alloy
A mixture of two or more elements, where at least one is a metal, created to enhance properties such as strength, durability, or resistance to corrosion.
Zinc
A chemical element with the symbol Zn and atomic number 30, often used for galvanizing iron and steel to protect against rust.
Copper
A chemical element with symbol Cu and atomic number 29, known for its high thermal and electrical conductivity.
Production Function
A mathematical representation describing the relationship between input factors and the output of goods or services.
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