1.

(A) Orthorhombic crystal system has four Bravis lattices (R) Orthorhombic crystal system has equal sides and angles between faces.

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Both (A) and (R) are TRUE and (R) is the correct explanation of (A)
Both (A) and (R) are true and (R) is not the correct explanation of (A)
(A) is true but (R) is false
Both (A) and (R) are false

Answer :C


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