{"id":25243,"date":"2025-05-05T10:36:46","date_gmt":"2025-05-05T03:36:46","guid":{"rendered":"https:\/\/i-clc.edu.vn\/?p=25243"},"modified":"2025-05-05T10:37:29","modified_gmt":"2025-05-05T03:37:29","slug":"khoa-hoc-song-ngu-oxy-cua-trai-dat-den-tu-dau","status":"publish","type":"post","link":"https:\/\/i-clc.edu.vn\/en\/kien-thuc-toan-khoa-hoc-song-ngu\/khoa-hoc-song-ngu-oxy-cua-trai-dat-den-tu-dau\/","title":{"rendered":"Khoa h\u1ecdc song ng\u1eef: Oxy c\u1ee7a Tr\u00e1i \u0110\u1ea5t \u0111\u1ebfn t\u1eeb \u0111\u00e2u?"},"content":{"rendered":"

Kho\u1ea3ng 21% b\u1ea7u kh\u00ed quy\u1ec3n c\u1ee7a Tr\u00e1i \u0111\u1ea5t \u0111\u01b0\u1ee3c t\u1ea1o th\u00e0nh t\u1eeb oxy. Tuy nhi\u00ean \u0111\u1ec3 c\u00f3 \u0111\u01b0\u1ee3c tr\u1ea1ng th\u00e1i oxy m\u00e0 con ng\u01b0\u1eddi c\u00f3 th\u1ec3 th\u1edf \u0111\u01b0\u1ee3c nh\u01b0 hi\u1ec7n nay, b\u1ea7u kh\u00ed quy\u1ec3n c\u1ee7a ch\u00fang ta \u0111\u00e3 ph\u1ea3i tr\u1ea3i qua m\u1ed9t th\u1eddi gian d\u00e0i \u0111\u1ec3 ph\u00e1t tri\u1ec3n. C\u00e1ch \u0111\u00e2y kho\u1ea3ng 4,6 t\u1ef7 n\u0103m, h\u1ed7n h\u1ee3p c\u00e1c lo\u1ea1i kh\u00ed \u0111\u1ea7u ti\u00ean t\u1ea1o th\u00e0nh m\u1ed9t l\u1edbp d\u00e0y xung quanh h\u00e0nh tinh c\u1ee7a ch\u00fang ta t\u01b0\u01a1ng t\u1ef1 nh\u01b0 lo\u1ea1i kh\u00ed th\u1ea3i ra t\u1eeb n\u00fai l\u1eeda, ch\u1eb3ng h\u1ea1n nh\u01b0 m\u00eatan, hydro sunfua v\u00e0 carbon dioxide.<\/span><\/p>\n

About 21% of Earth\u2019s atmosphere is made up of oxygen. However, for our atmosphere to reach its current breathable state, it had to undergo a long process of development. Around 4.6 billion years ago, the initial mixture of gases that formed a thick layer around our planet resembled volcanic emissions, including methane, hydrogen sulfide, and carbon dioxide.<\/span><\/i><\/p>\n

\u0110\u00f3 l\u00e0 nh\u1eefng th\u1eddi \u0111i\u1ec3m v\u1edbi nh\u1eefng bi\u1ebfn \u0111\u1ed9ng l\u1edbn, khi trong l\u00f2ng Tr\u00e1i \u0110\u1ea5t b\u1ecb khu\u1ea5y \u0111\u1ea3o b\u1edfi c\u00e1c v\u1eadt li\u1ec7u d\u1ec5 bay h\u01a1i, nh\u1eefng va ch\u1ea1m kh\u00f4ng ng\u1eebng mang l\u1ea1i ngu\u1ed3n cung c\u1ea5p v\u1eadt ch\u1ea5t m\u1edbi li\u00ean t\u1ee5c cho H\u1ec7 M\u1eb7t Tr\u1eddi. D\u00f2ng kho\u00e1ng ch\u1ea5t \u1ed5n \u0111\u1ecbnh t\u1eeb trong kh\u00f4ng gian r\u01a1i xu\u1ed1ng c\u0169ng cung c\u1ea5p nhi\u1ec1u nito h\u01a1n \u1edf d\u1ea1ng amoniac.<\/span><\/p>\n

It was a time of great upheaval, as Earth\u2019s interior was being stirred by volatile materials, and constant collisions brought a continuous supply of new matter to the Solar System. A steady influx of minerals from space also delivered more nitrogen in the form of ammonia.<\/span><\/i><\/p>\n

Oxy xu\u1ea5t hi\u1ec7n trong b\u1ea7u kh\u00ed quy\u1ec3n c\u1ee7a Tr\u00e1i \u0111\u1ea5t khi n\u00e0o?<\/b><\/p>\n

When Did Oxygen Appear in Earth’s Atmosphere?<\/i><\/b><\/p>\n

C\u00e1c nh\u00e0 khoa h\u1ecdc v\u1eabn ch\u01b0a ch\u1eafc ch\u1eafn r\u1eb1ng tr\u1eadn m\u01b0a kho\u00e1ng ban \u0111\u1ea7u cung c\u1ea5p bao nhi\u00eau nit\u01a1 cho h\u00e0nh tinh c\u1ee7a ch\u00fang ta. Tuy nhi\u00ean kho\u1ea3ng 4,3 t\u1ef7 n\u0103m tr\u01b0\u1edbc, c\u00e1c \u0111i\u1ec1u ki\u1ec7n \u0111\u1ecba ng\u1ee5c c\u1ee7a Tr\u00e1i \u0111\u1ea5t cu\u1ed1i c\u00f9ng c\u0169ng b\u1eaft \u0111\u1ea7u ngu\u1ed9i d\u1ea7n. Th\u1eddi gian t\u00edch t\u1ee5 c\u00e1c v\u00f9ng n\u01b0\u1edbc c\u0169ng \u0111\u1ee7 l\u00e2u \u0111\u1ec3 t\u1ea1o ra c\u00e1c ph\u1ea3n \u1ee9ng \u0111\u1ecba h\u00f3a, ti\u1ec1n th\u00e2n cho c\u00e1c hi\u1ec7n t\u01b0\u1ee3ng h\u00f3a sinh, t\u1ea1o ra b\u1ea7u kh\u00ed quy\u1ec3n d\u00e0y \u0111\u1eb7c cho h\u00e0nh tinh c\u1ee7a ch\u00fang ta, ch\u1ee7 y\u1ebfu t\u1eeb carbon dioxide v\u00e0 nit\u01a1.<\/span><\/p>\n

Scientists are still uncertain how much nitrogen the early mineral rain provided to our planet. However, around 4.3 billion years ago, Earth’s hellish conditions finally began to cool. Water started accumulating for long enough to trigger geochemical reactions, which were precursors to biochemical phenomena. These reactions gradually shaped a dense atmosphere, primarily made up of carbon dioxide and nitrogen.<\/span><\/i><\/p>\n

Ho\u1ea1t \u0111\u1ed9ng n\u00fai l\u1eeda c\u0169ng l\u00e0m b\u1ed1c l\u00ean nh\u1eefng lu\u1ed3ng kh\u00ed oxy nh\u01b0ng n\u00f3 \u0111\u00e3 chuy\u1ec3n h\u00f3a th\u00e0nh c\u00e1c d\u1ea1ng kh\u00ed kh\u00e1c ngay sau \u0111\u00f3, cho n\u00ean trong kho\u1ea3ng 1 t\u1ef7 n\u0103m \u0111\u1ea7u ti\u00ean Tr\u00e1i \u0110\u1ea5t g\u1ea7n nh\u01b0 kh\u00f4ng c\u00f3 oxy.<\/span><\/p>\n

Volcanic activity also released plumes of oxygen gas, but it quickly reacted with other elements and transformed into different compounds. Therefore, during the first billion years, Earth had little to no free oxygen.<\/span><\/i><\/p>\n

\"\"<\/a><\/p>\n

S\u1ef1 ki\u1ec7n oxy h\u00f3a l\u1edbn tr\u00ean Tr\u00e1i \u0110\u1ea5t x\u1ea3y ra nh\u01b0 th\u1ebf n\u00e0o?<\/b><\/p>\n

How Did the Great Oxidation Event Occur?<\/i><\/b><\/p>\n

Tr\u00e1i \u0110\u1ea5t c\u1ee7a ch\u00fang ta \u0111\u00e3 c\u00f3 nh\u1eefng n\u1ed7 l\u1ef1c \u0111\u1ea7u ti\u00ean trong l\u0129nh v\u1ef1c sinh h\u1ecdc nh\u1eb1m l\u1ea5y n\u0103ng l\u01b0\u1ee3ng, k\u1ebft h\u1ee3p v\u00e0 gi\u1eef m\u1ed9t nh\u00f3m ph\u00e2n t\u1eed l\u1ea1i v\u1edbi nhau v\u00e0 t\u00e1i s\u1eed d\u1ee5ng n\u00f3 \u0111\u1ec3 x\u00e2y d\u1ef1ng c\u00e1c v\u1eadt li\u1ec7u h\u1eefu c\u01a1. Trong h\u00e0ng tr\u0103m tri\u1ec7u n\u0103m h\u00ecnh th\u00e0nh Tr\u00e1i \u0110\u1ea5t, \u0111\u00e3 c\u00f3 nh\u1eefng th\u1eddi \u0111i\u1ec3m m\u00e0 c\u01a1 ch\u1ebf thu n\u0103ng l\u01b0\u1ee3ng do \u00e1nh s\u00e1ng m\u1eb7t tr\u1eddi cung c\u1ea5p t\u1eeb m\u1ed9t s\u1ed1 ch\u1ea5t h\u00f3a h\u1ecdc nh\u1ea5t \u0111\u1ecbnh \u0111\u00e3 \u0111\u01b0\u1ee3c b\u1eaft \u0111\u1ea7u. V\u1ec1 m\u1eb7t k\u1ef9 thu\u1eadt n\u00f3 l\u00e0 s\u1ef1 quang h\u1ee3p, nh\u01b0ng n\u00f3 kh\u00f4ng \u0111\u1ec3 l\u1ea1i l\u01b0\u1ee3ng oxy d\u01b0 th\u1eeba.<\/span><\/p>\n

Earth eventually made its first biological attempts to harness energy, combining and retaining groups of molecules and reusing them to build organic material. During the hundreds of millions of years that Earth formed, some mechanisms began capturing solar energy through specific chemical substances. Technically, this was photosynthesis, but it did not produce excess oxygen.<\/span><\/i><\/p>\n

C\u00f3 th\u1ec3 s\u1ef1 \u0111a d\u1ea1ng v\u1ec1 c\u00e1c s\u1ef1 ki\u1ec7n quang h\u1ee3p t\u1ea1o oxy n\u00e0y \u0111\u00e3 b\u1eaft ngu\u1ed3n t\u1eeb kho\u1ea3ng 3 t\u1ef7 n\u0103m tr\u01b0\u1edbc, ho\u1eb7c s\u1edbm h\u01a1n. H\u1ec7 th\u1ed1ng quang h\u1ecdc n\u00e0y \u0111\u00e3 th\u00fac \u0111\u1ea9y s\u1ef1 h\u00ecnh th\u00e0nh c\u00e1c vi sinh v\u1eadt nguy\u00ean th\u1ee7y, cho ph\u00e9p ch\u00fang t\u00e1i k\u1ebft h\u1ee3p carbon dioxide v\u00e0 n\u01b0\u1edbc \u0111\u1ec3 t\u1ea1o th\u00e0nh c\u00e1c kh\u1ed1i m\u1edbi c\u1ea7n thi\u1ebft cho s\u1ef1 s\u1ed1ng, k\u00e8m theo m\u1ed9t ngu\u1ed3n n\u0103ng l\u01b0\u1ee3ng d\u1ed3i d\u00e0o.<\/span><\/p>\n

The diversity of oxygen-producing photosynthetic events may have started as early as 3 billion years ago or earlier. This photosynthetic system led to the formation of primitive microorganisms that could recombine carbon dioxide and water into essential building blocks for life, along with a surplus of energy.<\/span><\/i><\/p>\n

M\u1eb7c d\u00f9 qua h\u00e0ng tr\u0103m tri\u1ec7u n\u0103m kh\u00ed oxy “s\u00f4i s\u1ee5c” qua c\u00e1c \u0111\u1ea1i d\u01b0\u01a1ng tr\u00ean h\u00e0nh tinh, nh\u01b0ng b\u1ea7u kh\u00ed quy\u1ec3n c\u1ee7a ch\u00fang ta v\u1eabn ch\u01b0a c\u00f3 nhi\u1ec1u thay \u0111\u1ed5i. L\u00fd do \u0111\u1eb1ng sau s\u1ef1 thi\u1ebfu oxy \u0111\u01b0\u1ee3c gi\u1ea3i th\u00edch l\u00e0 do nh\u1eefng c\u01a1n m\u01b0a thi\u00ean th\u1ea1ch tr\u01b0\u1ee3t qua b\u1ea7u tr\u1eddi \u0111\u00e3 \u0111\u1ec3 l\u1ea1i c\u00e1c lo\u1ea1i kh\u00ed d\u1ec5 bay h\u01a1i d\u1ec5 d\u00e0ng ph\u1ea3n \u1ee9ng v\u1edbi c\u00e1c v\u1ebft nh\u1ecf nh\u1ea5t c\u1ee7a oxy ph\u00e2n t\u1eed. Tuy nhi\u00ean, d\u00f9 s\u1ef1 h\u00ecnh th\u00e0nh di\u1ec5n ra ch\u1eadm, th\u00ec kh\u00ed oxy nh\u1ecf gi\u1ecdt c\u0169ng \u0111\u00e3 \u0111\u01b0\u1ee3c t\u00edch t\u1ee5 \u1edf m\u1ee9c \u0111\u00e1ng k\u1ec3, d\u1eabn \u0111\u1ebfn s\u1ef1 ki\u1ec7n oxy h\u00f3a l\u1edbn.<\/span><\/p>\n

Despite oxygen “bubbling” through Earth\u2019s oceans for hundreds of millions of years, the atmosphere remained mostly unchanged. The lack of oxygen is believed to be due to meteor showers leaving behind volatile gases that easily reacted with even trace amounts of molecular oxygen. However, even though oxygen formation was slow, it gradually accumulated to a significant level, leading to the Great Oxidation Event.<\/span><\/i><\/p>\n

Oxy c\u00f3 ph\u1ea3i l\u00e0 m\u1ed9t th\u1ee9 t\u1ed1t cho s\u1ef1 s\u1ed1ng tr\u00ean Tr\u00e1i \u0111\u1ea5t?<\/b><\/p>\n

Is Oxygen a Good Thing for Life on Earth?<\/i><\/b><\/p>\n

Tr\u00ean l\u00fd thuy\u1ebft h\u00f3a h\u1ecdc, oxy l\u00e0 m\u1ed9t nguy\u00ean t\u1ed1 ph\u1ea3n \u1ee9ng kh\u00e1 m\u1ea1nh. Ng\u00e0y nay, ch\u00fang ta c\u00f3 c\u00e1c enzym chuy\u00ean bi\u1ec7t \u0111\u1ec3 h\u1ea1n ch\u1ebf t\u1ed1i \u0111a nh\u1eefng t\u00e1c h\u1ea1i m\u00e0 oxy t\u1ef1 do c\u00f3 th\u1ec3 g\u00e2y ra cho c\u00e1c ph\u00e2n t\u1eed h\u1eefu c\u01a1 m\u1ecfng manh h\u01a1n, ch\u1eb3ng h\u1ea1n nh\u01b0 DNA. V\u00ec v\u1eady, c\u00f3 th\u1ec3 kh\u1eb3ng \u0111\u1ecbnh r\u1eb1ng, c\u00e1c sinh v\u1eadt ban \u0111\u1ea7u \u0111\u00e3 c\u00f3 s\u1ef1 th\u00edch nghi r\u1ea5t t\u1ed1t \u0111\u1ec3 \u0111\u1ed1i ph\u00f3 v\u1edbi s\u1ef1 thi\u1ebfu oxy, n\u1ebfu kh\u00f4ng ch\u00fang s\u1ebd ch\u1ebft h\u00e0ng lo\u1ea1t.<\/span><\/p>\n

Chemically speaking, oxygen is a highly reactive element. Today, we have specialized enzymes that minimize the damage free oxygen can do to more delicate organic molecules like DNA. Early life forms must have adapted remarkably well to low-oxygen environments\u2014otherwise, they would have perished in large numbers.<\/span><\/i><\/p>\n

Nh\u1eefng nghi\u00ean c\u1ee9u v\u1ec1 \u0111\u1ed3ng v\u1ecb b\u1ecb ch\u00f4n v\u00f9i trong c\u00e1c kho\u00e1ng ch\u1ea5t kho\u1ea3ng 2 t\u1ef7 n\u0103m tu\u1ed5i cho th\u1ea5y n\u1ed3ng \u0111\u1ed9 oxy gi\u1ea3m xu\u1ed1ng khi carbon b\u1ecb c\u00f4 l\u1eadp trong c\u00e1c vi khu\u1ea9n. Tuy nhi\u00ean, vi\u1ec7c gi\u1ea3i th\u00edch v\u1ec1 nh\u1eefng t\u00e0i li\u1ec7u c\u1ed5 n\u00e0y \u0111\u01b0\u1ee3c cho l\u00e0 kh\u00f4ng ch\u00ednh x\u00e1c, c\u00e1c nghi\u00ean c\u1ee9u kh\u00e1c \u0111\u00e3 \u0111\u1eb7t c\u00e1c c\u00e2u h\u1ecfi gi\u1ea3 \u0111\u1ecbnh, cho th\u1ea5y s\u1ef1 s\u1ee5t gi\u1ea3m oxy c\u00f3 th\u1ec3 kh\u00f4ng \u0111\u1ebfn t\u1eeb nh\u1eefng t\u1ed5n th\u1ea5t v\u1ec1 sinh m\u1ea1ng.<\/span><\/p>\n

Studies of isotopes buried in 2-billion-year-old minerals show a decrease in oxygen when carbon was sequestered within microbial life. However, the interpretation of these ancient records is still debated, and some researchers argue the oxygen drop may not have been due to a mass extinction.<\/span><\/i><\/p>\n

M\u1ed9t c\u1ed9t m\u1ed1c \u0111\u00e1ng nh\u1edb, v\u00e0o kho\u1ea3ng 600 tri\u1ec7u n\u0103m tr\u01b0\u1edbc, n\u1ed3ng \u0111\u1ed9 oxy ph\u00e2n t\u1eed trong b\u1ea7u kh\u00ed quy\u1ec3n c\u1ee7a ch\u00fang ta cu\u1ed1i c\u00f9ng \u0111\u00e3 \u0111\u1ea1t kho\u1ea3ng 21%. Kh\u00e1 tr\u00f9ng h\u1ee3p l\u00e0 giai \u0111o\u1ea1n l\u1ecbch s\u1eed n\u00e0y c\u0169ng ghi nh\u1eadn s\u1ef1 xu\u1ea5t hi\u1ec7n ph\u1ee9c t\u1ea1p c\u1ee7a h\u1ec7 sinh v\u1eadt. V\u1eabn kh\u00f3 \u0111\u1ec3 kh\u1eb3ng \u0111\u1ecbnh v\u1ec1 vai tr\u00f2 c\u1ee7a oxy v\u00e0o th\u1eddi \u0111i\u1ec3m \u0111\u00f3. Ng\u00e0y nay, oxy l\u00e0 ph\u01b0\u01a1ng ti\u1ec7n c\u1ea7n \u0111\u1ec3 gi\u1ea3i ph\u00f3ng m\u1ed9t ngu\u1ed3n cung c\u1ea5p l\u1edbn t\u1eeb n\u0103ng l\u01b0\u1ee3ng t\u1eeb c\u00e1c hydrocacbon – nhi\u00ean li\u1ec7u ho\u00e0n h\u1ea3o cho s\u1ef1 di chuy\u1ec3n cho sinh v\u1eadt \u0111a b\u00e0o hi\u1ec7n \u0111\u1ea1i.<\/span><\/p>\n

A key milestone occurred around 600 million years ago when molecular oxygen levels in our atmosphere finally reached approximately 21%. Coincidentally, this period also marked the emergence of complex life forms. While the exact role of oxygen at the time remains unclear, it is now essential for releasing large energy supplies from hydrocarbons\u2014an ideal fuel for the mobility of modern multicellular organisms.<\/span><\/i><\/p>\n

\"\"<\/a><\/p>\n

Li\u1ec7u Tr\u00e1i \u0111\u1ea5t c\u00f3 bao gi\u1edd m\u1ea5t oxy?<\/b><\/p>\n

Could Earth Ever Lose Its Oxygen?<\/i><\/b><\/p>\n

Khi M\u1eb7t Tr\u1eddi c\u00f2n chi\u1ebfu s\u00e1ng, th\u1ef1c v\u1eadt c\u00f2n n\u1edf hoa v\u00e0 qu\u00e1 tr\u00ecnh quang h\u1ee3p di\u1ec5n ra m\u1ea1nh m\u1ebd th\u00ec h\u00e0nh tinh c\u1ee7a ch\u00fang ta s\u1ebd v\u1eabn lu\u00f4n duy tr\u00ec m\u1ed9t l\u01b0\u1ee3ng oxy nh\u1ea5t \u0111\u1ecbnh trong b\u1ea7u kh\u00ed quy\u1ec3n. Tuy nhi\u00ean, s\u1ef1 c\u00e2n b\u1eb1ng n\u00e0y s\u1ebd kh\u00f4ng bao gi\u1edd l\u00e0 v\u0129nh vi\u1ec5n. Theo c\u00e1c nh\u00e0 khoa h\u1ecdc d\u1ef1 \u0111o\u00e1n, kho\u1ea3ng 1 t\u1ef7 n\u0103m n\u1eefa, b\u1ee9c x\u1ea1 m\u1eb7t tr\u1eddi s\u1ebd \u0111\u1ee7 m\u1ea1nh \u0111\u1ec3 t\u00e1ch carbon dioxide ra. N\u1ebfu kh\u00f4ng \u0111\u1ee7 kh\u00ed, qu\u00e1 tr\u00ecnh quang h\u1ee3p s\u1ebd b\u1ecb k\u00ecm h\u00e3m, k\u00e9o theo s\u1ef1 gi\u1ea3m s\u00fat oxy \u0111\u00e1ng k\u1ec3.<\/span><\/p>\n

As long as the Sun shines, plants continue to bloom, and photosynthesis remains active, our planet will maintain a certain level of atmospheric oxygen. However, this balance is not permanent. Scientists predict that in about a billion years, solar radiation will become strong enough to break down carbon dioxide. Without sufficient CO\u2082, photosynthesis will decline, leading to a significant drop in oxygen levels.<\/span><\/i><\/p>\n

S\u01b0u t\u1ea7m.\u00a0<\/span><\/p>\n

Collected.<\/span><\/i><\/p>\n

—————————-
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 <\/p>","protected":false},"excerpt":{"rendered":"

Kho\u1ea3ng 21% b\u1ea7u kh\u00ed quy\u1ec3n c\u1ee7a Tr\u00e1i \u0111\u1ea5t \u0111\u01b0\u1ee3c t\u1ea1o th\u00e0nh t\u1eeb oxy. Tuy nhi\u00ean \u0111\u1ec3 c\u00f3 \u0111\u01b0\u1ee3c tr\u1ea1ng th\u00e1i oxy m\u00e0 con ng\u01b0\u1eddi c\u00f3 th\u1ec3 th\u1edf \u0111\u01b0\u1ee3c nh\u01b0 hi\u1ec7n nay, b\u1ea7u kh\u00ed quy\u1ec3n c\u1ee7a ch\u00fang ta \u0111\u00e3 ph\u1ea3i tr\u1ea3i qua m\u1ed9t th\u1eddi gian d\u00e0i \u0111\u1ec3 ph\u00e1t tri\u1ec3n. C\u00e1ch \u0111\u00e2y kho\u1ea3ng 4,6 t\u1ef7 n\u0103m, h\u1ed7n …<\/p>\n

Khoa h\u1ecdc song ng\u1eef: Oxy c\u1ee7a Tr\u00e1i \u0110\u1ea5t \u0111\u1ebfn t\u1eeb \u0111\u00e2u?<\/span> Read More »<\/a><\/p>","protected":false},"author":427,"featured_media":25246,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"site-sidebar-layout":"default","site-content-layout":"default","ast-global-header-display":"","ast-main-header-display":"","ast-hfb-above-header-display":"","ast-hfb-below-header-display":"","ast-hfb-mobile-header-display":"","site-post-title":"","ast-breadcrumbs-content":"","ast-featured-img":"","footer-sml-layout":"","theme-transparent-header-meta":"default","adv-header-id-meta":"","stick-header-meta":"","header-above-stick-meta":"","header-main-stick-meta":"","header-below-stick-meta":"","footnotes":""},"categories":[188],"tags":[],"class_list":["post-25243","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-kien-thuc-toan-khoa-hoc-song-ngu"],"acf":[],"_links":{"self":[{"href":"https:\/\/i-clc.edu.vn\/en\/wp-json\/wp\/v2\/posts\/25243","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/i-clc.edu.vn\/en\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/i-clc.edu.vn\/en\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/i-clc.edu.vn\/en\/wp-json\/wp\/v2\/users\/427"}],"replies":[{"embeddable":true,"href":"https:\/\/i-clc.edu.vn\/en\/wp-json\/wp\/v2\/comments?post=25243"}],"version-history":[{"count":3,"href":"https:\/\/i-clc.edu.vn\/en\/wp-json\/wp\/v2\/posts\/25243\/revisions"}],"predecessor-version":[{"id":25249,"href":"https:\/\/i-clc.edu.vn\/en\/wp-json\/wp\/v2\/posts\/25243\/revisions\/25249"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/i-clc.edu.vn\/en\/wp-json\/wp\/v2\/media\/25246"}],"wp:attachment":[{"href":"https:\/\/i-clc.edu.vn\/en\/wp-json\/wp\/v2\/media?parent=25243"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/i-clc.edu.vn\/en\/wp-json\/wp\/v2\/categories?post=25243"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/i-clc.edu.vn\/en\/wp-json\/wp\/v2\/tags?post=25243"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}