Which of these is not a unit of density a. grams per kilogram

b. kilograms per cubic meter

c. grams per cubic centimeter

d. grams per millimeter

offering 16 points give a good answer

At the "no mutants allowed" country farm, every sheep has 4 legs, every chicken has two legs, and all animals have only 1 head. asked to count how many sheep and chicken are in the fields, a farm boy reports back that there are 140 feet and 50 heads. how many sheep and chicken are there? there are sheep and chicken at the farm.