Mavuto azachilengedwe pantchito zachuma

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Julayi 06, 2016 nthawi ya 01:47 PM

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M'zaka za zana la makumi awiri, dziko lasintha modabwitsa chifukwa chantchito ya anthu. Zonsezi zakhudza kwambiri kuwonongeka kwa chilengedwe cha dziko lathu lapansi, kwadzetsa mavuto ambiri azachilengedwe padziko lonse lapansi, kuphatikiza kusintha kwa nyengo.

Kuwonongeka kwachilengedwe

Ntchito zachuma zimabweretsa vuto lapadziko lonse lapansi monga kuwonongeka kwa chilengedwe:

  • Kuwononga thupi. Kuwononga kwakuthupi sikuti kumangowononga mpweya, madzi, nthaka, komanso kumabweretsa matenda akulu a anthu ndi nyama;
  • Kuwononga mankhwala. Chaka chilichonse, matani masauzande ndi mamiliyoni azinthu zovulaza amatulutsidwa m'mlengalenga, m'madzi, zomwe zimabweretsa matenda ndi kufa kwa oimira zomera ndi zinyama;
  • Kuwononga kwachilengedwe. Chowopsezanso china m'chilengedwe ndi zotsatira zakapangidwe ka majini, zomwe zimawononga anthu ndi nyama;
  • Chifukwa chake zochitika zachuma za anthu zimabweretsa kuwonongeka kwa nthaka, madzi ndi mpweya.

Zotsatira zachuma

Mavuto ambiri azachilengedwe amabwera chifukwa chochita zoyipa. Zonsezi zimabweretsa mfundo yakuti madzi amakhala akuda kwambiri kotero kuti siabwino kumwa.

Kuwonongeka kwa lithosphere kumayambitsa kuwonongeka kwa nthaka, kusokoneza njira zopangira nthaka. Ngati anthu sayamba kuwongolera zochitika zawo, ndiye kuti adzawononga osati chilengedwe chokha, komanso nawonso.

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Onerani kanemayo: zochitia pa Valentine 2 (July 2024).