The correct answer is letter B. Forms of Currency. In US, across states, the form of currency won't change because the states are inside one country. Each country has only one form of currency to make an easier buying and trading. The currency is US Dollars.
The winds at the <u>700Mb</u> level are the steering mechanism for air mass thunderstorms.
Thunderstorms are severe, short-term weather hazards most often associated with lightning, thunder, dense clouds, heavy rain or hail, and strong gusts. Thunderstorms are formed when a layer of warm, moist air rises into the colder regions of the atmosphere with large, fast updrafts.
All thunderstorms cause lightning. This is one of the top three causes of weather-related deaths in the United States. In fact, lightning kills about 50 people each year. Thunderstorms can also cause hail, tornadoes, and floods. In some cases, hail is the size of a baseball and can travel at speeds of 100 mph.
Learn more about thunderstorms here: brainly.com/question/1600352
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Both because it changer do to lower temperatures and higher pressures.

<u>Magma</u> and <u>lava</u> are the same thing, just a different word. Lava is magma that is above the <u>surface</u> of the <u>volcano.</u>
The Second World War was history's largest and most significant armed conflict. It served as the breeding ground for the modern structure of security and intelligence, and for the postwar balance of power that formed the framework for the Cold War. Weapons, materiel, and actual combat, though vital to the Allies' victory over the Axis, did not alone win the war. To a great extent, victory was forged in the work of British and American intelligence services, who ultimately overcame their foes' efforts. Underlying the war of guns and planes was a war of ideas, images, words, and impressions—intangible artifacts of civilization that yielded enormous tangible impact for the peoples of Europe, east Asia, and other regions of the world.