The significance of the Columbus voyages is that the explorer Christopher Columbus made four trips across the Atlantic Ocean from Spain: in 1492, 1493, 1498 and 1502. He was determined to find a direct water route west from Europe to Asia, but he never did. Instead, he accidentally stumbled upon the Americas.
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When oxygen is not available or is not efficient for normal respiration which uses O2 (aerobic respiration), the organism turns to mode of anaerobic respiration/fermentation that does not require O2 and is less efficient to provide energy to the organism but it still produces. That is GLUCOSE [no oxygen] —> ATP + lactic acid
Answer:
Under the Byrd rule, the Senate is prohibited from considering extraneous matter as part of a reconciliation bill or resolution or conference report thereon. ... The Byrd rule is enforced when a Senator raises a point of order during consideration of a reconciliation bill or conference report.
Explanation:
It's purpose was to ban slavery in the territory acquired from Mexico during the Mexican War
