Explain the use of Molecular clocks

liquid crystals are matters in a state which have properties between those of conventional liquids and those of solid crystals[1]. liquid crystal is partially ordered and anisotropic. in terms of molecular order, liquid crystal molecules have one-dimensional or two-dimensional long - range order.

what image you forgot to include it.

i think the answer would d

acceleration = 18/3 = 6 m/s per second.

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-lavira: )