Bi\u1ec3n l\u00e0 b\u1ed9 ph\u1eadn c\u1ea5u th\u00e0nh quan tr\u1ecdng c\u1ee7a h\u1ec7 th\u1ed1ng duy tr\u00ec s\u1ef1 s\u1ed1ng. N\u1ebfu ch\u00fang ta xem Tr\u00e1i \u0110\u1ea5t gi\u1ed1ng nh\u01b0 c\u01a1 th\u1ec3 ng\u01b0\u1eddi th\u00ec v\u00ed bi\u1ec3n l\u00e0 l\u00e1 ph\u1ed5i v\u00e0 th\u1eadn c\u1ee7a Tr\u00e1i \u0110\u1ea5t l\u00e0 r\u1ea5t x\u00e1c \u0111\u00e1ng. V\u00ec bi\u1ec3n kh\u00f4ng nh\u1eefng ti\u1ebfp thu kh\u00ed CO2 trong kh\u00f4ng kh\u00ed, t\u1ea1o ra kh\u00ed oxi m\u00e0 c\u00f2n c\u00f3 th\u1ec3 l\u00e0m s\u1ea1ch v\u00e0 ph\u00e2n gi\u1ea3i c\u00e1c ch\u1ea5t c\u00f3 h\u1ea1i, t\u1ea1o n\u00ean m\u00f4i tr\u01b0\u1eddng sinh s\u1ed1ng t\u1ef1 nhi\u00ean cho lo\u00e0i ng\u01b0\u1eddi v\u00e0 c\u00e1c sinh v\u1eadt kh\u00e1c.<\/p>\n\n\n\n
Ng\u01b0\u1eddi ta v\u00ed bi\u1ec3n v\u00e0 r\u1eebng xanh l\u00e0 hai l\u00e1 ph\u1ed5i c\u1ee7a Tr\u00e1i \u0110\u1ea5t. Con ng\u01b0\u1eddi v\u00e0 \u0111\u1ed9ng v\u1eadt \u0111\u1ec1u c\u1ea7n kh\u00ed oxi, bi\u1ec3n l\u00e0 n\u01a1i cung c\u1ea5p kh\u00ed oxi l\u1edbn nh\u1ea5t. Di\u1ec7p l\u1ee5c t\u1ed1 v\u00e0 c\u00e1c th\u1ef1c v\u1eadt s\u1ed1ng ph\u00f9 du tr\u00ean m\u1eb7t bi\u1ec3n d\u01b0\u1edbi s\u1ef1 chi\u1ebfu x\u1ea1 c\u1ee7a \u00e1nh n\u1eafng, ch\u00fang s\u1ebd ph\u00e1t sinh ph\u1ea3n \u1ee9ng v\u1edbi n\u01b0\u1edbc v\u00e0 kh\u00ed CO2 t\u1ea1o th\u00e0nh c\u00e1c ch\u1ea5t h\u1eefu c\u01a1 v\u00e0 kh\u00ed oxi. C\u00e1c th\u1ef1c v\u1eadt bi\u1ec3n h\u1eb1ng n\u0103m v\u1eabn s\u1ea3n sinh ra 36 t\u1ec9 t\u1ea5n kh\u00ed oxi. 70% kh\u00ed oxi trong kh\u00f4ng kh\u00ed \u0111\u01b0\u1ee3c s\u1ea3n sinh t\u1eeb bi\u1ec3n. V\u00ec v\u1eady nh\u1eefng ng\u01b0\u1eddi s\u1ed1ng \u1edf bi\u1ec3n c\u1ea3m th\u1ea5y kh\u00f4ng kh\u00ed r\u1ea5t m\u1edbi m\u1ebb v\u00e0 trong l\u00e0nh.<\/p>\n\n\n\n
Bi\u1ec3n c\u0169ng l\u00e0 “m\u00e1y l\u00e0m s\u1ea1ch” l\u1edbn nh\u1ea5t tr\u00ean Tr\u00e1i \u0110\u1ea5t. N\u00f3 gi\u1ed1ng nh\u01b0 th\u1eadn, l\u1ecdc s\u1ea1ch v\u00e0 ph\u00e2n gi\u1ea3i r\u1ea5t nhi\u1ec1u ch\u1ea5t c\u00f3 h\u1ea1i. V\u00ec bi\u1ec3n c\u00f3 m\u1ed9t th\u1ec3 t\u00edch v\u00f4 c\u00f9ng l\u1edbn, c\u00e1c d\u00f2ng h\u1ea3i l\u01b0u chuy\u1ec3n \u0111\u1ed9ng kh\u00f4ng ng\u1eebng, n\u01b0\u1edbc thu\u1ef7 tri\u1ec1u l\u00ean xu\u1ed1ng ng\u00e0y \u0111\u00eam v\u00e0 s\u00f3ng v\u1ed7 li\u00ean t\u1ee5c, do \u0111\u00f3 n\u00f3 c\u00f3 kh\u1ea3 n\u0103ng t\u1ef1 l\u00e0m s\u1ea1ch m\u1ed9t c\u00e1ch phi th\u01b0\u1eddng. V\u00ec bi\u1ec3n n\u1eb1m \u1edf v\u1ecb tr\u00ed th\u1ea5p nh\u1ea5t c\u1ee7a b\u1ec1 m\u1eb7t Tr\u00e1i \u0110\u1ea5t cho n\u00ean c\u00e1c v\u1eadt ph\u1ebf th\u1ea3i do con ng\u01b0\u1eddi th\u1ea3i ra tr\u1ef1c ti\u1ebfp ho\u1eb7c th\u00f4ng qua c\u00e1c d\u00f2ng ch\u1ea3y c\u1ee7a s\u00f4ng cu\u1ed1i c\u00f9ng \u0111\u1ec1u \u0111\u1ed5 ra bi\u1ec3n. Bi\u1ec3n gi\u1ed1ng nh\u01b0 m\u1ed9t m\u00e1y l\u00e0m s\u1ea1ch kh\u1ed5ng l\u1ed3. Trong ph\u1ea1m vi kh\u1ea3 n\u0103ng c\u1ee7a n\u00f3, n\u00f3 s\u1ebd l\u00e0m lo\u00e3ng, ph\u00e2n gi\u1ea3i c\u00e1c ch\u1ea5t \u00f4 nhi\u1ec5m v\u00e0 cu\u1ed1i c\u00f9ng xo\u00e1 b\u1ecf ch\u00fang. Bi\u1ec3n c\u1ea3 kh\u00f4ng nh\u1eefng b\u1ea3o \u0111\u1ea3m \u0111\u01b0\u1ee3c m\u00ecnh trong s\u1ea1ch m\u00e0 c\u00f2n gi\u00fap lo\u00e0i ng\u01b0\u1eddi x\u1eed l\u00ed m\u1ed9t l\u01b0\u1ee3ng r\u00e1c kh\u1ed5ng l\u1ed3, Cho n\u00ean bi\u1ec3n \u0111\u01b0\u1ee3c ng\u01b0\u1eddi ta g\u1ecdi l\u00e0 “ng\u01b0\u1eddi b\u1ea3o h\u1ed9 s\u1ef1 s\u1ed1ng c\u1ee7a Tr\u00e1i \u0110\u1ea5t”.<\/p>\n\n\n\n
T\u1eeb kho\u00e1: Bi\u1ec3n c\u1ea3; Kh\u1ea3 n\u0103ng t\u1ef1 l\u00e0m s\u1ea1ch.<\/p>\n","protected":false},"excerpt":{"rendered":"
Bi\u1ec3n l\u00e0 b\u1ed9 ph\u1eadn c\u1ea5u th\u00e0nh quan tr\u1ecdng c\u1ee7a h\u1ec7 th\u1ed1ng duy tr\u00ec s\u1ef1 s\u1ed1ng. N\u1ebfu ch\u00fang ta xem Tr\u00e1i \u0110\u1ea5t gi\u1ed1ng nh\u01b0 c\u01a1 th\u1ec3 ng\u01b0\u1eddi th\u00ec v\u00ed bi\u1ec3n l\u00e0 l\u00e1 ph\u1ed5i v\u00e0 th\u1eadn c\u1ee7a Tr\u00e1i \u0110\u1ea5t l\u00e0 r\u1ea5t x\u00e1c \u0111\u00e1ng. V\u00ec bi\u1ec3n kh\u00f4ng nh\u1eefng ti\u1ebfp thu kh\u00ed CO2 trong kh\u00f4ng kh\u00ed, t\u1ea1o ra kh\u00ed […]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":"","_disable_autopaging":false},"categories":[15,17],"tags":[],"class_list":["post-9446","post","type-post","status-publish","format-standard","hentry","category-hoi-dap-khoa-hoc","category-moi-truong"],"_links":{"self":[{"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/posts\/9446","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/comments?post=9446"}],"version-history":[{"count":0,"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/posts\/9446\/revisions"}],"wp:attachment":[{"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/media?parent=9446"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/categories?post=9446"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/tags?post=9446"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}