(A) Crystalline solids are anisotropic.
(R) Crystalline solids are not as closely packed as amorphous solids.
A. Both (R) and (A) are true and reason is the correct explanation of assertion.
B. Both (R) and (A) are true but reason is not correct explanation of assertion
C. Assertion (A) is true but reason (R) is false
D. Assertion (A) and reason (R) both are false
