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many civilizations have flourished and then failed or fallen apart. there are many reasons for this, but many historians point to three patterns in the fall of civilizations: internal change, external pressure, and environmental collapse. the fall of civilizations is never the result of a single event or pattern.
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- this is from an online source
Answer: It's a system often perceived as undemocratic, and it's received its fair share of derision and outrage. Most controversially, it's occasionally resulted in somebody becoming president without receiving a majority of votes. There have been many attempts to rectify this, and the Every Vote Counts Amendment is one of them.
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A. Making treaties and D. Granting pardons
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Answer: Red blood cell arrives from the inferior vena cava into right atrium before it passes through the tricuspid valve into right ventricle. It then passes through the pulmonary valve into pulmonary artery before travelling through the lungs and back into the heart, this time the left atrium via the pulmonary vein.
Explanation: Hope this help :D
