Answer:
D/ Kilograms per cubic-centimeter
#2 is an exponential graph, #3 is linear horizontal, #4 is like graph 1, #5 is linear upwards but slowly, #6 like number 5, #7 like number 1, #8 like number 1
They have a negative charge.
Multicellular organisms use different types of cells to function not just one cell. If cells grew larger that cell would be more demanding.
