Answer:
Air pressure is the weight of the atmosphere pressing down on the earth. It is measured by a barometer in units called millibars. Most barometers use mercury in a glass column, like a thermometer, to measure the change in air pressure.
Explanation:
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They are used to transfer water efficiently through the towns and cities of Rome.
The use of terracing to grow crop, Hope This Helps.
Answer:
Was an author, a woman's suffrage and Prohibition activist, and the longest-serving secretary of State of Texas.
Explanation:
On December 7, 1941, Japan attacked the United States Navy at Pearl Harbor, Hawaii. As a result, the U.S. entered WWII.
<span>In 1945, the United States dropped atomic bombs on the Japanese cities of Hiroshima and Nagasaki. </span>
<span>The bombs resulted in several casualties, and Japan surrendered. </span>
