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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Answer:
Explanation:
The French and Indian War was the North American conflict in a larger imperial war between Great Britain and France known as the Seven Years’ War. The French and Indian War began in 1754 and ended with the Treaty of Paris in 1763. The war provided Great Britain enormous territorial gains in North America, but disputes over subsequent frontier policy and paying the war’s expenses led to colonial discontent, and ultimately to the American Revolution.
Map from the French and Indian War
The French and Indian War resulted from ongoing frontier tensions in North America as both French and British imperial officials and colonists sought to extend each country’s sphere of influence in frontier regions. In North America, the war pitted France, French colonists, and their Native allies against Great Britain, the Anglo-American colonists, and the Iroquois Confederacy, which controlled most of upstate New York and parts of northern Pennsylvania. In 1753, prior to the outbreak of hostilities, Great Britain controlled the 13 colonies up to the Appalachian Mountains, but beyond lay New France, a very large, sparsely settled colony that stretched from Louisiana through the Mississippi Valley and Great Lakes to Canada. (See Incidents Leading up to the French and Indian War and Albany Plan)
The border between French and British possessions was not well defined, and one disputed territory was the upper Ohio River valley. The French had constructed a number of forts in this region in an attempt to strengthen their claim on the territory. British colonial forces, led by Lieutenant Colonel George Washington, attempted to expel the French in 1754, but were outnumbered and defeated by the French. When news of Washington’s failure reached British Prime Minister Thomas Pelham-Holles, Duke of Newcastle, he called for a quick undeclared retaliatory strike. However, his adversaries in the Cabinet outmaneuvered him by making the plans public, thus alerting the French Government and escalating a distant frontier skirmish into a full-scale war.
Answer:
The primary fuel the body uses during a long event of low intensity exercise (like a 4-hour walk) is FAT.
Explanation:
The system that intervenes during low intensity exercise is the AEROBIC SYSTEM.
Whenever someone exercises at a low level intensity, the body uses fat as main energy source while sparing the use of blood glucose and muscle glycogen in case the exercise level of intensity increases and while the oxygen availability decreases.
While training for long periods of time, aerobic capacity expands producing an increase in the oxidation of fats.
The maximal aerobic capacity (VO2max) of an individual regulates the contribution of different fuel sources in a proportional way (muscle glycogen, intramuscular triacylclycerols, glucose and fatty acids).
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