A slumber did my spirit seal

In a food chain phytoplankton to zoo plankton small fish to squid to seal. what is seal?

What is the role of subcutaneous fat, called blubber in whales and seals?

{:("Column A","A spirit and water solution is sold in a market. The cost per liter of this solution is directly proportional to the part (fraction) or spirit (by volume) the solution has. A solution of 1 liter of spirit and 1 liters of water cost x dollars. A solution of 1 liter of spirit and 2 liters of water costs y dollars ","Column B"),(x,,y):}

Denatured spirit is mainly used as a :

What is rectified spirit ?

What is methylated spirit or denatured alcohol?