2. the pond's (sediment)?

a. evaporation
b. water
c. current
d. residue try hard for the points or i will report you if you will play

we know that, volume of a rectangular prism is given by :

✿   {length × width × height}

given : the length of rectangular prism = 5.5

given : the width of rectangular prism = 6

given : the height of rectangular prism = 3

⇒ the volume of given rectangular prism = {5.5 × 6 × 3}

⇒ the volume of given rectangular prism = 99

your eyes are the first things that you open