Urug`lanishdan keyin urug`chi qubbalarda qanday o`zgarishlar sodir bo`ladi?
a) qubba tangachalari tez o`sadi, yo`g`onlashadi, smola ajratadi; b) tangachalar bir-biri bilan qo`shilib, qubbani o`rab turuvchi etdor po`stga aylanadi; c) qubbalarning bir nechtasi qo`shilib, yiriklashadi; d) qubbalar smola ajratib, choklar orqali ochiladi va chang qubba ichiga kiradi.

  1. a, b
  2. a, c
  3. a, d
  4. c, d

📝 Detailed explanation

To'g'ri javob — a, b.
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