Tên gọi hai chữ Việt Nam và quốc hiệu Việt Nam có từ bao giờ

1.Twentieth Amendment to the United States Constitution.

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3.The terms of the President and the Vice President shall end at noon on the 20th day of January, and the terms of Senators and Representatives at noon on the 3d day of January, of the years in which such terms would have ended if this article had not been ratified; and the terms of their successors shall then begin.

4.Active immunity: The production of antibodies against a specific disease by the immune system. Active immunity can be acquired in two ways, either by contracting the disease or through vaccination. Active immunity is usually permanent, meaning an individual is protected from the disease for the duration of their lives.

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6.Joe Biden 46th president of the United States.

7.The First Congress passed an oath act on June 1, 1789, authorizing only Senators to administer the oath to the Vice President (who serves as the president of the Senate).

8.giant manta ray

Ecuador is thought to be home to the largest population of giant manta ray, with large aggregation sites within the waters of the Machalilla National Park and the Galapagos Marine Reserve.

9.In July 2019, the One Small Step to Protect Human Heritage in Space Act was introduced and passed in the U.S. Senate to protect Tranquility Base and other Apollo landing sites from damage from US-licensed space activity. neil armstrong and buzz Aldrain.

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