What Do the Letters "LED" Stand For

question 31

Multiple Choice

What do the letters "LED" stand for?

• A) light-efficient diodes
• B) low-emission diodes
• C) light-emitting diodes
• D) laser-emitted diodes

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Definitions:

Muckraking Journalists

Refers to investigative journalists in the early 20th century who exposed societal corruptions, scandals, and injustices, often leading to public outrage and reform.

Mexican Immigrants

Individuals from Mexico who move to another country, often for better economic opportunities or to escape violence, significantly contributing to cultural and demographic changes in their new communities.

Early Twentieth Century

A period from 1901 to 1945 characterized by rapid industrialization, social changes, World War I, the Great Depression, and the beginning of World War II.

Triangle Shirtwaist Fire

A catastrophic factory fire in New York City in 1911, leading to significant improvements in industrial safety standards.