Nima uchun yomg’ir chuvalchanglarini himoya qilish kerak? Chunki ular: 1)tuproqni yumshatadi; 2)tuproq ichiga suv, havo kirishiga yordam beradi; 3)parazitlarni yo’qotadi; 4)tuproqning yuvilib ketishiga to’sqinlik qiladi; 5)chirindilarni tuproq yuzasiga chiqarib tashlaydi; 6)tuproq hosil bo’lishiga yordam beradi; 7)ildiz bilan oziqlanadi; 8)viruslarni o’zida saqlaydi

  1. 1,2,7,8
  2. 3,4,5,7
  3. 1,2,4,6
  4. 1,7,8,3
  5. 1,3,5,8
382 / 1216 (31%)
Question 382 of 1216
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