What is Example of smectic liquid crystal?

Is salt water a collide? Liquid spread throughout a gas? How paper chromatography could be used to separate a mixture of different coloured inks? What is the term that refers to the opposite of a variable? How many comets have been studied by spacecraft? Do boxelder bugs kill grass? How does the skin excrete water? Why are sublimation and deposition are classified as physical changes? What adaptations do plants need for life on earth? How would a raccoon fossil form? Would the features of a marble statue last longer in a dry dessert region or in a warmmoist region that has heavy industry? Does Mexico City have mountains? Can dry ice last for long time on aeroplane? A dehydration reaction occurring between two primary alcohol molecules will produce what? Will thick steel wool or thin steel wool conduct electricity better? How many number 1s does Tinchy stryder have? Are roses prokaryotic? What planet is light that could flow in water? What is a divice designed to open an overload circuit and prevent overheating? How much is 48 kg in pounds?