The correct answer is b. bimolecular
Plug in any number that yo think it’s the answer and make a t chart and put every letter in it and the other side the number until it is balanced
The answer is volume because The base units of length and volume are linked in the metric system. By definition, a liter is equal to the volume of a cube exactly 10 cm tall, 10 cm long, and 10 cm wide. Because the volume of this cube is 1000 cubic centimeters and a liter contains 1000 milliliters, 1 milliliter is equivalent to 1 cubic centimeter.
Hope this helps :)
