I'm assuming you mean the molecular compound
and it's name is Hydronium. Hope this helps :)
It produces proteins for the cell to function
Some man-made fibres, too, are derived from naturally occurring polymers. For instance, rayon and acetate, two of the first man-made fibres ever to be produced, are made of the same cellulose polymers that make up cotton, hemp, flax, and the structural fibres of wood.
The answer is B, higher high tides. Because in the passage it states: "Because the tides seem to spring up."
