Question

Q21. The face diagonal of a cubic closed packed
unit cell is 4 A°. What is the length?
(A) 2.85 A
(C) 2.86 A

(B) 2.83 A

(D) 2.87 A
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Answer 1

Answer:

interesting animal power is used to pull water from the well the justice system is not be used by many farmers now

Explanation:

it is a system of continuous supply of water as shown in figure 3.13 and irrigates a completely vloger area