Explanation

Decibel (dB) measures the intensity or loudness of sound.

It is a logarithmic unit, meaning each 10 dB increase represents a tenfold increase in intensity.

Decibels are also used in electronics and signal strength measurements.

It does not measure speed of light or heat.

Common examples: Normal conversation ≈ 60 dB, threshold of hearing ≈ 0 dB, jet engine ≈ 120 dB.

Explanation

'Laissez-Faire' means minimal or no government interference in the economy

It allowing businesses to operate freely without state interference.

Explanation

The American War of Independence began in 1775 (specifically April 19, 1775, with the Battles of Lexington and Concord)

Ended in 1783.

The Declaration of Independence was adopted in 1776.

This makes it the earliest of the events listed. 

Explanation

Explanation

Explanation

The Arab Spring began in Tunisia on December 17, 2010, in Sidi Bouzid, Tunisia.

It was sparked by the self-immolation of Mohamed Bouazizi

His act was a protest against police harassment and economic hardship.

These protests eventually led to the ousting of President Zine El Abidine Ben Ali on January 14, 2011.

Explanation

EUPHONIOUS means خوش آئند

Strident means سخت

Explanation

The Yangtze River flows entirely within the territory of China (PRC).

It originates in the Tibetan Plateau (Qinghai Province) and flows eastward to the East China Sea. 

Therefore, it does not pass through:

• Mongolia
• Thailand
• Taiwan 

The correct answer is All of the above.

Explanation

The largest city by population in the Great Lakes Region is Toronto

It is located on Lake Ontario, with a vast metropolitan area. 

NOTE: Toronto is the largest, then Chicago, making them the dominant population centers in the Great Lakes area. 

Explanation

The Inca Civilization flourished in the Andes Mountains of western South America

Primarily in ancient Peru, from roughly 1400 to 1533 CE

End: The empire quickly fell with the arrival of Spanish conquistadors in the 1530s.