Anaval engineer uses the function, p, to analyze the effects of water pressure on submarines. the function p(d) measures the pressure exerted by water, where d represents the depth of the water in meters. which of the followin could be a possible domain?

a. d is the set of all integers
b. d is the set off all integers where d is greater than 0
c. d is the set of all rational numbers
d. d is the set of all rational numbers where 0 is less than or equal to d less than or equal to the depth of the sea floor