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Answer:
t
Explanation:
Law of Conservation of Mass, discovered by Antoine Lavoisier in 1785. In its most compact form, it states: matter is neither created nor destroyed.
By contrast, populist authoritarian regimes "are mobilizational regimes in which a strong, charismatic, manipulative leader rules through a coalition involving key lower-class groups". Examples include Argentina under Perón, Egypt under Nasser and Venezuela under Chávez and Maduro
<span>The treaty was signed on June 15, 1846,
ending the joint occupation with Great Britain and making most
Oregonians below the 49th parallel American citizens. ... When the
Colony of British Columbia joined Canada in 1871, the 49th Parallel and
marine boundaries established by the Oregon Treaty became the Canada–US border.</span>
<span>Agriculture was key to the development of modern "civilization" because by being able to grow food rather than getting it through trade or hunting, people were able to stay in one place instead of having to be where the food was. This also led to jobs because people became highly skilled in growing crops.</span>