As part of an experimental procedure, tom must measure exactly 15 milliliters of distilled water. which of the following tools should tom use for this task?
a 20-ml graduated cylinder
a 250-ml graduated cylinder
a teaspoon
a small paper cup

the height of the surface increases from the center out to the sides of the road.

step-by-step explanation:

as we move out we move away from the x-axis.

and as mentioned in the problem statement that height of a road increases when we move away from the center x.

hence proved that 3rd option

the height of the surface increases from the center out to the sides of the road.

is the correct option.